31174220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 84381696

約数和(自身を除く): 53207476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 653, 682, 770, 868, 1085, 1306, 1364, 1540, 1705, 2170, 2387, 2612, 3265, 3410, 4340, 4571, 4774, 6530, 6820, 7183, 9142, 9548, 11935, 13060, 14366, 18284, 20243, 22855, 23870, 28732, 35915, 40486, 45710, 47740, 50281, 71830, 80972, 91420, 100562, 101215, 141701, 143660, 201124, 202430, 222673, 251405, 283402, 404860, 445346, 502810, 566804, 708505, 890692, 1005620, 1113365, 1417010, 1558711, 2226730, 2834020, 3117422, 4453460, 6234844, 7793555, 15587110, 31174220]

約数ペア:

[(1, 31174220), (2, 15587110), (4, 7793555), (5, 6234844), (7, 4453460), (10, 3117422), (11, 2834020), (14, 2226730), (20, 1558711), (22, 1417010), (28, 1113365), (31, 1005620), (35, 890692), (44, 708505), (55, 566804), (62, 502810), (70, 445346), (77, 404860), (110, 283402), (124, 251405), (140, 222673), (154, 202430), (155, 201124), (217, 143660), (220, 141701), (308, 101215), (310, 100562), (341, 91420), (385, 80972), (434, 71830), (620, 50281), (653, 47740), (682, 45710), (770, 40486), (868, 35915), (1085, 28732), (1306, 23870), (1364, 22855), (1540, 20243), (1705, 18284), (2170, 14366), (2387, 13060), (2612, 11935), (3265, 9548), (3410, 9142), (4340, 7183), (4571, 6820), (4774, 6530)]