248565980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 601359360

約数和(自身を除く): 352793380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 67, 76, 95, 130, 134, 190, 247, 260, 268, 335, 380, 494, 670, 751, 871, 988, 1235, 1273, 1340, 1502, 1742, 2470, 2546, 3004, 3484, 3755, 4355, 4940, 5092, 6365, 7510, 8710, 9763, 12730, 14269, 15020, 16549, 17420, 19526, 25460, 28538, 33098, 39052, 48815, 50317, 57076, 66196, 71345, 82745, 97630, 100634, 142690, 165490, 185497, 195260, 201268, 251585, 285380, 330980, 370994, 503170, 654121, 741988, 927485, 956023, 1006340, 1308242, 1854970, 1912046, 2616484, 3270605, 3709940, 3824092, 4780115, 6541210, 9560230, 12428299, 13082420, 19120460, 24856598, 49713196, 62141495, 124282990, 248565980]

約数ペア:

[(1, 248565980), (2, 124282990), (4, 62141495), (5, 49713196), (10, 24856598), (13, 19120460), (19, 13082420), (20, 12428299), (26, 9560230), (38, 6541210), (52, 4780115), (65, 3824092), (67, 3709940), (76, 3270605), (95, 2616484), (130, 1912046), (134, 1854970), (190, 1308242), (247, 1006340), (260, 956023), (268, 927485), (335, 741988), (380, 654121), (494, 503170), (670, 370994), (751, 330980), (871, 285380), (988, 251585), (1235, 201268), (1273, 195260), (1340, 185497), (1502, 165490), (1742, 142690), (2470, 100634), (2546, 97630), (3004, 82745), (3484, 71345), (3755, 66196), (4355, 57076), (4940, 50317), (5092, 48815), (6365, 39052), (7510, 33098), (8710, 28538), (9763, 25460), (12730, 19526), (14269, 17420), (15020, 16549)]