201688300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1013}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 480562992

約数和(自身を除く): 278874692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 181, 220, 275, 362, 550, 724, 905, 1013, 1100, 1810, 1991, 2026, 3620, 3982, 4052, 4525, 5065, 7964, 9050, 9955, 10130, 11143, 18100, 19910, 20260, 22286, 25325, 39820, 44572, 49775, 50650, 55715, 99550, 101300, 111430, 183353, 199100, 222860, 278575, 366706, 557150, 733412, 916765, 1114300, 1833530, 2016883, 3667060, 4033766, 4583825, 8067532, 9167650, 10084415, 18335300, 20168830, 40337660, 50422075, 100844150, 201688300]

約数ペア:

[(1, 201688300), (2, 100844150), (4, 50422075), (5, 40337660), (10, 20168830), (11, 18335300), (20, 10084415), (22, 9167650), (25, 8067532), (44, 4583825), (50, 4033766), (55, 3667060), (100, 2016883), (110, 1833530), (181, 1114300), (220, 916765), (275, 733412), (362, 557150), (550, 366706), (724, 278575), (905, 222860), (1013, 199100), (1100, 183353), (1810, 111430), (1991, 101300), (2026, 99550), (3620, 55715), (3982, 50650), (4052, 49775), (4525, 44572), (5065, 39820), (7964, 25325), (9050, 22286), (9955, 20260), (10130, 19910), (11143, 18100)]