1553641780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{15199}}^1$

素因数の和:15496

約数の個数: 48

約数和(自身を含む): 3447360000

約数和(自身を除く): 1893718220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 538, 1076, 1345, 2690, 5111, 5380, 10222, 15199, 20444, 25555, 30398, 51110, 60796, 75995, 102220, 151990, 288781, 303980, 577562, 1155124, 1443905, 2887810, 4088531, 5775620, 8177062, 16354124, 20442655, 40885310, 77682089, 81770620, 155364178, 310728356, 388410445, 776820890, 1553641780]

約数ペア:

[(1, 1553641780), (2, 776820890), (4, 388410445), (5, 310728356), (10, 155364178), (19, 81770620), (20, 77682089), (38, 40885310), (76, 20442655), (95, 16354124), (190, 8177062), (269, 5775620), (380, 4088531), (538, 2887810), (1076, 1443905), (1345, 1155124), (2690, 577562), (5111, 303980), (5380, 288781), (10222, 151990), (15199, 102220), (20444, 75995), (25555, 60796), (30398, 51110)]