388230920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1637}}^1$

素因数の和:1684

約数の個数: 144

約数和(自身を含む): 1117591020

約数和(自身を除く): 729360100

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 385, 392, 440, 484, 490, 539, 605, 616, 770, 847, 968, 980, 1078, 1210, 1540, 1637, 1694, 1960, 2156, 2420, 2695, 3080, 3274, 3388, 4235, 4312, 4840, 5390, 5929, 6548, 6776, 8185, 8470, 10780, 11459, 11858, 13096, 16370, 16940, 18007, 21560, 22918, 23716, 29645, 32740, 33880, 36014, 45836, 47432, 57295, 59290, 65480, 72028, 80213, 90035, 91672, 114590, 118580, 126049, 144056, 160426, 180070, 198077, 229180, 237160, 252098, 320852, 360140, 396154, 401065, 458360, 504196, 630245, 641704, 720280, 792308, 802130, 882343, 990385, 1008392, 1260490, 1386539, 1584616, 1604260, 1764686, 1980770, 2520980, 2773078, 3208520, 3529372, 3961540, 4411715, 5041960, 5546156, 6932695, 7058744, 7923080, 8823430, 9705773, 11092312, 13865390, 17646860, 19411546, 27730780, 35293720, 38823092, 48528865, 55461560, 77646184, 97057730, 194115460, 388230920]

約数ペア:

[(1, 388230920), (2, 194115460), (4, 97057730), (5, 77646184), (7, 55461560), (8, 48528865), (10, 38823092), (11, 35293720), (14, 27730780), (20, 19411546), (22, 17646860), (28, 13865390), (35, 11092312), (40, 9705773), (44, 8823430), (49, 7923080), (55, 7058744), (56, 6932695), (70, 5546156), (77, 5041960), (88, 4411715), (98, 3961540), (110, 3529372), (121, 3208520), (140, 2773078), (154, 2520980), (196, 1980770), (220, 1764686), (242, 1604260), (245, 1584616), (280, 1386539), (308, 1260490), (385, 1008392), (392, 990385), (440, 882343), (484, 802130), (490, 792308), (539, 720280), (605, 641704), (616, 630245), (770, 504196), (847, 458360), (968, 401065), (980, 396154), (1078, 360140), (1210, 320852), (1540, 252098), (1637, 237160), (1694, 229180), (1960, 198077), (2156, 180070), (2420, 160426), (2695, 144056), (3080, 126049), (3274, 118580), (3388, 114590), (4235, 91672), (4312, 90035), (4840, 80213), (5390, 72028), (5929, 65480), (6548, 59290), (6776, 57295), (8185, 47432), (8470, 45836), (10780, 36014), (11459, 33880), (11858, 32740), (13096, 29645), (16370, 23716), (16940, 22918), (18007, 21560)]