390207720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4789}}^1$

素因数の和:4907

約数の個数: 128

約数和(自身を含む): 1351929600

約数和(自身を除く): 961721880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2716, 2910, 3395, 3880, 4074, 4789, 5432, 5820, 6790, 8148, 9578, 10185, 11640, 13580, 14367, 16296, 19156, 20370, 23945, 27160, 28734, 33523, 38312, 40740, 47890, 57468, 67046, 71835, 81480, 95780, 100569, 114936, 134092, 143670, 167615, 191560, 201138, 268184, 287340, 335230, 402276, 464533, 502845, 574680, 670460, 804552, 929066, 1005690, 1340920, 1393599, 1858132, 2011380, 2322665, 2787198, 3251731, 3716264, 4022760, 4645330, 5574396, 6503462, 6967995, 9290660, 9755193, 11148792, 13006924, 13935990, 16258655, 18581320, 19510386, 26013848, 27871980, 32517310, 39020772, 48775965, 55743960, 65034620, 78041544, 97551930, 130069240, 195103860, 390207720]

約数ペア:

[(1, 390207720), (2, 195103860), (3, 130069240), (4, 97551930), (5, 78041544), (6, 65034620), (7, 55743960), (8, 48775965), (10, 39020772), (12, 32517310), (14, 27871980), (15, 26013848), (20, 19510386), (21, 18581320), (24, 16258655), (28, 13935990), (30, 13006924), (35, 11148792), (40, 9755193), (42, 9290660), (56, 6967995), (60, 6503462), (70, 5574396), (84, 4645330), (97, 4022760), (105, 3716264), (120, 3251731), (140, 2787198), (168, 2322665), (194, 2011380), (210, 1858132), (280, 1393599), (291, 1340920), (388, 1005690), (420, 929066), (485, 804552), (582, 670460), (679, 574680), (776, 502845), (840, 464533), (970, 402276), (1164, 335230), (1358, 287340), (1455, 268184), (1940, 201138), (2037, 191560), (2328, 167615), (2716, 143670), (2910, 134092), (3395, 114936), (3880, 100569), (4074, 95780), (4789, 81480), (5432, 71835), (5820, 67046), (6790, 57468), (8148, 47890), (9578, 40740), (10185, 38312), (11640, 33523), (13580, 28734), (14367, 27160), (16296, 23945), (19156, 20370)]