442395420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:900

約数の個数: 144

約数和(自身を含む): 1359955968

約数和(自身を除く): 917560548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 289, 310, 340, 372, 465, 510, 527, 578, 620, 823, 867, 930, 1020, 1054, 1156, 1445, 1581, 1646, 1734, 1860, 2108, 2469, 2635, 2890, 3162, 3292, 3468, 4115, 4335, 4938, 5270, 5780, 6324, 7905, 8230, 8670, 8959, 9876, 10540, 12345, 13991, 15810, 16460, 17340, 17918, 24690, 25513, 26877, 27982, 31620, 35836, 41973, 44795, 49380, 51026, 53754, 55964, 69955, 76539, 83946, 89590, 102052, 107508, 127565, 134385, 139910, 153078, 167892, 179180, 209865, 237847, 255130, 268770, 279820, 306156, 382695, 419730, 433721, 475694, 510260, 537540, 713541, 765390, 839460, 867442, 951388, 1189235, 1301163, 1427082, 1530780, 1734884, 2168605, 2378470, 2602326, 2854164, 3567705, 4337210, 4756940, 5204652, 6505815, 7135410, 7373257, 8674420, 13011630, 14270820, 14746514, 22119771, 26023260, 29493028, 36866285, 44239542, 73732570, 88479084, 110598855, 147465140, 221197710, 442395420]

約数ペア:

[(1, 442395420), (2, 221197710), (3, 147465140), (4, 110598855), (5, 88479084), (6, 73732570), (10, 44239542), (12, 36866285), (15, 29493028), (17, 26023260), (20, 22119771), (30, 14746514), (31, 14270820), (34, 13011630), (51, 8674420), (60, 7373257), (62, 7135410), (68, 6505815), (85, 5204652), (93, 4756940), (102, 4337210), (124, 3567705), (155, 2854164), (170, 2602326), (186, 2378470), (204, 2168605), (255, 1734884), (289, 1530780), (310, 1427082), (340, 1301163), (372, 1189235), (465, 951388), (510, 867442), (527, 839460), (578, 765390), (620, 713541), (823, 537540), (867, 510260), (930, 475694), (1020, 433721), (1054, 419730), (1156, 382695), (1445, 306156), (1581, 279820), (1646, 268770), (1734, 255130), (1860, 237847), (2108, 209865), (2469, 179180), (2635, 167892), (2890, 153078), (3162, 139910), (3292, 134385), (3468, 127565), (4115, 107508), (4335, 102052), (4938, 89590), (5270, 83946), (5780, 76539), (6324, 69955), (7905, 55964), (8230, 53754), (8670, 51026), (8959, 49380), (9876, 44795), (10540, 41973), (12345, 35836), (13991, 31620), (15810, 27982), (16460, 26877), (17340, 25513), (17918, 24690)]