31705087180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1\times {\mathrm{1297}}^1$

素因数の和:2099

約数の個数: 96

約数和(自身を含む): 72353635200

約数和(自身を除く): 40648548020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 631, 745, 1262, 1297, 1490, 1937, 2524, 2594, 2980, 3155, 3874, 5188, 6310, 6485, 7748, 8203, 9685, 12620, 12970, 16406, 16861, 19370, 25940, 32812, 33722, 38740, 41015, 67444, 82030, 84305, 94019, 164060, 168610, 188038, 193253, 337220, 376076, 386506, 470095, 773012, 818407, 940190, 966265, 1222247, 1636814, 1880380, 1932530, 2444494, 2512289, 3273628, 3865060, 4092035, 4888988, 5024578, 6111235, 8184070, 10049156, 10639291, 12222470, 12561445, 16368140, 21278582, 24444940, 25122890, 42557164, 50245780, 53196455, 106392910, 121942643, 212785820, 243885286, 487770572, 609713215, 1219426430, 1585254359, 2438852860, 3170508718, 6341017436, 7926271795, 15852543590, 31705087180]

約数ペア:

[(1, 31705087180), (2, 15852543590), (4, 7926271795), (5, 6341017436), (10, 3170508718), (13, 2438852860), (20, 1585254359), (26, 1219426430), (52, 609713215), (65, 487770572), (130, 243885286), (149, 212785820), (260, 121942643), (298, 106392910), (596, 53196455), (631, 50245780), (745, 42557164), (1262, 25122890), (1297, 24444940), (1490, 21278582), (1937, 16368140), (2524, 12561445), (2594, 12222470), (2980, 10639291), (3155, 10049156), (3874, 8184070), (5188, 6111235), (6310, 5024578), (6485, 4888988), (7748, 4092035), (8203, 3865060), (9685, 3273628), (12620, 2512289), (12970, 2444494), (16406, 1932530), (16861, 1880380), (19370, 1636814), (25940, 1222247), (32812, 966265), (33722, 940190), (38740, 818407), (41015, 773012), (67444, 470095), (82030, 386506), (84305, 376076), (94019, 337220), (164060, 193253), (168610, 188038)]