31481450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 85494528

約数和(自身を除く): 54013078

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 17, 22, 25, 26, 34, 35, 37, 50, 55, 65, 70, 74, 77, 85, 91, 110, 119, 130, 143, 154, 170, 175, 182, 185, 187, 221, 238, 259, 275, 286, 325, 350, 370, 374, 385, 407, 425, 442, 455, 481, 518, 550, 595, 629, 650, 715, 770, 814, 850, 910, 925, 935, 962, 1001, 1105, 1190, 1258, 1295, 1309, 1430, 1547, 1850, 1870, 1925, 2002, 2035, 2210, 2275, 2405, 2431, 2590, 2618, 2849, 2975, 3094, 3145, 3367, 3575, 3850, 4070, 4403, 4550, 4675, 4810, 4862, 5005, 5291, 5525, 5698, 5950, 6290, 6475, 6545, 6734, 6919, 7150, 7735, 8177, 8806, 9350, 10010, 10175, 10582, 11050, 12025, 12155, 12950, 13090, 13838, 14245, 15470, 15725, 16354, 16835, 17017, 20350, 22015, 24050, 24310, 25025, 26455, 28490, 31450, 32725, 33670, 34034, 34595, 37037, 38675, 40885, 44030, 48433, 50050, 52910, 57239, 60775, 65450, 69190, 71225, 74074, 77350, 81770, 84175, 85085, 89947, 96866, 110075, 114478, 121550, 132275, 142450, 168350, 170170, 172975, 179894, 185185, 204425, 220150, 242165, 264550, 286195, 345950, 370370, 408850, 425425, 449735, 484330, 572390, 629629, 850850, 899470, 925925, 1210825, 1259258, 1430975, 1851850, 2248675, 2421650, 2861950, 3148145, 4497350, 6296290, 15740725, 31481450]

約数ペア:

[(1, 31481450), (2, 15740725), (5, 6296290), (7, 4497350), (10, 3148145), (11, 2861950), (13, 2421650), (14, 2248675), (17, 1851850), (22, 1430975), (25, 1259258), (26, 1210825), (34, 925925), (35, 899470), (37, 850850), (50, 629629), (55, 572390), (65, 484330), (70, 449735), (74, 425425), (77, 408850), (85, 370370), (91, 345950), (110, 286195), (119, 264550), (130, 242165), (143, 220150), (154, 204425), (170, 185185), (175, 179894), (182, 172975), (185, 170170), (187, 168350), (221, 142450), (238, 132275), (259, 121550), (275, 114478), (286, 110075), (325, 96866), (350, 89947), (370, 85085), (374, 84175), (385, 81770), (407, 77350), (425, 74074), (442, 71225), (455, 69190), (481, 65450), (518, 60775), (550, 57239), (595, 52910), (629, 50050), (650, 48433), (715, 44030), (770, 40885), (814, 38675), (850, 37037), (910, 34595), (925, 34034), (935, 33670), (962, 32725), (1001, 31450), (1105, 28490), (1190, 26455), (1258, 25025), (1295, 24310), (1309, 24050), (1430, 22015), (1547, 20350), (1850, 17017), (1870, 16835), (1925, 16354), (2002, 15725), (2035, 15470), (2210, 14245), (2275, 13838), (2405, 13090), (2431, 12950), (2590, 12155), (2618, 12025), (2849, 11050), (2975, 10582), (3094, 10175), (3145, 10010), (3367, 9350), (3575, 8806), (3850, 8177), (4070, 7735), (4403, 7150), (4550, 6919), (4675, 6734), (4810, 6545), (4862, 6475), (5005, 6290), (5291, 5950), (5525, 5698)]