201885860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21341}}^1$

素因数の和:21404

約数の個数: 48

約数和(自身を含む): 473280192

約数和(自身を除く): 271394332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 21341, 42682, 85364, 106705, 213410, 234751, 426820, 469502, 917663, 939004, 1173755, 1835326, 2347510, 3670652, 4588315, 4695020, 9176630, 10094293, 18353260, 20188586, 40377172, 50471465, 100942930, 201885860]

約数ペア:

[(1, 201885860), (2, 100942930), (4, 50471465), (5, 40377172), (10, 20188586), (11, 18353260), (20, 10094293), (22, 9176630), (43, 4695020), (44, 4588315), (55, 3670652), (86, 2347510), (110, 1835326), (172, 1173755), (215, 939004), (220, 917663), (430, 469502), (473, 426820), (860, 234751), (946, 213410), (1892, 106705), (2365, 85364), (4730, 42682), (9460, 21341)]