80906404

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 153216000

約数和(自身を除く): 72309596

約数列:

[1, 2, 4, 29, 31, 58, 62, 116, 124, 149, 151, 298, 302, 596, 604, 899, 1798, 3596, 4321, 4379, 4619, 4681, 8642, 8758, 9238, 9362, 17284, 17516, 18476, 18724, 22499, 44998, 89996, 133951, 135749, 267902, 271498, 535804, 542996, 652471, 697469, 1304942, 1394938, 2609884, 2789876, 20226601, 40453202, 80906404]

約数ペア:

[(1, 80906404), (2, 40453202), (4, 20226601), (29, 2789876), (31, 2609884), (58, 1394938), (62, 1304942), (116, 697469), (124, 652471), (149, 542996), (151, 535804), (298, 271498), (302, 267902), (596, 135749), (604, 133951), (899, 89996), (1798, 44998), (3596, 22499), (4321, 18724), (4379, 18476), (4619, 17516), (4681, 17284), (8642, 9362), (8758, 9238)]