200909020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 476534016

約数和(自身を除く): 275624996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 47, 52, 65, 82, 94, 130, 164, 188, 205, 235, 260, 401, 410, 470, 533, 611, 802, 820, 940, 1066, 1222, 1604, 1927, 2005, 2132, 2444, 2665, 3055, 3854, 4010, 5213, 5330, 6110, 7708, 8020, 9635, 10426, 10660, 12220, 16441, 18847, 19270, 20852, 25051, 26065, 32882, 37694, 38540, 50102, 52130, 65764, 75388, 82205, 94235, 100204, 104260, 125255, 164410, 188470, 213733, 245011, 250510, 328820, 376940, 427466, 490022, 501020, 772727, 854932, 980044, 1068665, 1225055, 1545454, 2137330, 2450110, 3090908, 3863635, 4274660, 4900220, 7727270, 10045451, 15454540, 20090902, 40181804, 50227255, 100454510, 200909020]

約数ペア:

[(1, 200909020), (2, 100454510), (4, 50227255), (5, 40181804), (10, 20090902), (13, 15454540), (20, 10045451), (26, 7727270), (41, 4900220), (47, 4274660), (52, 3863635), (65, 3090908), (82, 2450110), (94, 2137330), (130, 1545454), (164, 1225055), (188, 1068665), (205, 980044), (235, 854932), (260, 772727), (401, 501020), (410, 490022), (470, 427466), (533, 376940), (611, 328820), (802, 250510), (820, 245011), (940, 213733), (1066, 188470), (1222, 164410), (1604, 125255), (1927, 104260), (2005, 100204), (2132, 94235), (2444, 82205), (2665, 75388), (3055, 65764), (3854, 52130), (4010, 50102), (5213, 38540), (5330, 37694), (6110, 32882), (7708, 26065), (8020, 25051), (9635, 20852), (10426, 19270), (10660, 18847), (12220, 16441)]