428192380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 1207380384

約数和(自身を除く): 779188004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 121, 140, 154, 157, 161, 196, 220, 230, 242, 245, 253, 308, 314, 322, 385, 460, 484, 490, 506, 539, 605, 628, 644, 770, 785, 805, 847, 980, 1012, 1078, 1099, 1127, 1210, 1265, 1540, 1570, 1610, 1694, 1727, 1771, 2156, 2198, 2254, 2420, 2530, 2695, 2783, 3140, 3220, 3388, 3454, 3542, 3611, 4235, 4396, 4508, 5060, 5390, 5495, 5566, 5635, 5929, 6908, 7084, 7222, 7693, 8470, 8635, 8855, 10780, 10990, 11132, 11270, 11858, 12089, 12397, 13915, 14444, 15386, 16940, 17270, 17710, 18055, 18997, 19481, 21980, 22540, 23716, 24178, 24794, 25277, 27830, 29645, 30772, 34540, 35420, 36110, 37994, 38465, 38962, 39721, 48356, 49588, 50554, 55660, 59290, 60445, 61985, 72220, 75988, 76930, 77924, 79442, 84623, 94985, 97405, 101108, 118580, 120890, 123970, 126385, 132979, 136367, 153860, 158884, 169246, 176939, 189970, 194810, 198605, 241780, 247940, 252770, 265958, 272734, 278047, 338492, 353878, 379940, 389620, 397210, 423115, 436931, 505540, 531916, 545468, 556094, 664895, 681835, 707756, 794420, 846230, 873862, 884695, 930853, 1112188, 1329790, 1363670, 1390235, 1692460, 1747724, 1769390, 1861706, 1946329, 2184655, 2659580, 2727340, 2780470, 3058517, 3538780, 3723412, 3892658, 4369310, 4654265, 5560940, 6117034, 7785316, 8738620, 9308530, 9731645, 12234068, 15292585, 18617060, 19463290, 21409619, 30585170, 38926580, 42819238, 61170340, 85638476, 107048095, 214096190, 428192380]

約数ペア:

[(1, 428192380), (2, 214096190), (4, 107048095), (5, 85638476), (7, 61170340), (10, 42819238), (11, 38926580), (14, 30585170), (20, 21409619), (22, 19463290), (23, 18617060), (28, 15292585), (35, 12234068), (44, 9731645), (46, 9308530), (49, 8738620), (55, 7785316), (70, 6117034), (77, 5560940), (92, 4654265), (98, 4369310), (110, 3892658), (115, 3723412), (121, 3538780), (140, 3058517), (154, 2780470), (157, 2727340), (161, 2659580), (196, 2184655), (220, 1946329), (230, 1861706), (242, 1769390), (245, 1747724), (253, 1692460), (308, 1390235), (314, 1363670), (322, 1329790), (385, 1112188), (460, 930853), (484, 884695), (490, 873862), (506, 846230), (539, 794420), (605, 707756), (628, 681835), (644, 664895), (770, 556094), (785, 545468), (805, 531916), (847, 505540), (980, 436931), (1012, 423115), (1078, 397210), (1099, 389620), (1127, 379940), (1210, 353878), (1265, 338492), (1540, 278047), (1570, 272734), (1610, 265958), (1694, 252770), (1727, 247940), (1771, 241780), (2156, 198605), (2198, 194810), (2254, 189970), (2420, 176939), (2530, 169246), (2695, 158884), (2783, 153860), (3140, 136367), (3220, 132979), (3388, 126385), (3454, 123970), (3542, 120890), (3611, 118580), (4235, 101108), (4396, 97405), (4508, 94985), (5060, 84623), (5390, 79442), (5495, 77924), (5566, 76930), (5635, 75988), (5929, 72220), (6908, 61985), (7084, 60445), (7222, 59290), (7693, 55660), (8470, 50554), (8635, 49588), (8855, 48356), (10780, 39721), (10990, 38962), (11132, 38465), (11270, 37994), (11858, 36110), (12089, 35420), (12397, 34540), (13915, 30772), (14444, 29645), (15386, 27830), (16940, 25277), (17270, 24794), (17710, 24178), (18055, 23716), (18997, 22540), (19481, 21980)]