247489430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 485941248

約数和(自身を除く): 238451818

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 103, 115, 155, 206, 230, 310, 337, 515, 674, 713, 1030, 1426, 1685, 2369, 3193, 3370, 3565, 4738, 6386, 7130, 7751, 10447, 11845, 15502, 15965, 20894, 23690, 31930, 34711, 38755, 52235, 69422, 73439, 77510, 104470, 146878, 173555, 240281, 347110, 367195, 480562, 734390, 798353, 1076041, 1201405, 1596706, 2152082, 2402810, 3991765, 5380205, 7983530, 10760410, 24748943, 49497886, 123744715, 247489430]

約数ペア:

[(1, 247489430), (2, 123744715), (5, 49497886), (10, 24748943), (23, 10760410), (31, 7983530), (46, 5380205), (62, 3991765), (103, 2402810), (115, 2152082), (155, 1596706), (206, 1201405), (230, 1076041), (310, 798353), (337, 734390), (515, 480562), (674, 367195), (713, 347110), (1030, 240281), (1426, 173555), (1685, 146878), (2369, 104470), (3193, 77510), (3370, 73439), (3565, 69422), (4738, 52235), (6386, 38755), (7130, 34711), (7751, 31930), (10447, 23690), (11845, 20894), (15502, 15965)]