388675300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4211}}^1$

素因数の和:4309

約数の個数: 72

約数和(自身を含む): 921316032

約数和(自身を除く): 532640732

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 260, 284, 325, 355, 650, 710, 923, 1300, 1420, 1775, 1846, 3550, 3692, 4211, 4615, 7100, 8422, 9230, 16844, 18460, 21055, 23075, 42110, 46150, 54743, 84220, 92300, 105275, 109486, 210550, 218972, 273715, 298981, 421100, 547430, 597962, 1094860, 1195924, 1368575, 1494905, 2737150, 2989810, 3886753, 5474300, 5979620, 7474525, 7773506, 14949050, 15547012, 19433765, 29898100, 38867530, 77735060, 97168825, 194337650, 388675300]

約数ペア:

[(1, 388675300), (2, 194337650), (4, 97168825), (5, 77735060), (10, 38867530), (13, 29898100), (20, 19433765), (25, 15547012), (26, 14949050), (50, 7773506), (52, 7474525), (65, 5979620), (71, 5474300), (100, 3886753), (130, 2989810), (142, 2737150), (260, 1494905), (284, 1368575), (325, 1195924), (355, 1094860), (650, 597962), (710, 547430), (923, 421100), (1300, 298981), (1420, 273715), (1775, 218972), (1846, 210550), (3550, 109486), (3692, 105275), (4211, 92300), (4615, 84220), (7100, 54743), (8422, 46150), (9230, 42110), (16844, 23075), (18460, 21055)]