487585670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:726

約数の個数: 128

約数和(自身を含む): 1128701952

約数和(自身を除く): 641116282

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 31, 34, 55, 62, 65, 85, 110, 130, 143, 155, 170, 187, 221, 286, 310, 341, 374, 403, 442, 527, 647, 682, 715, 806, 935, 1054, 1105, 1294, 1430, 1705, 1870, 2015, 2210, 2431, 2635, 3235, 3410, 4030, 4433, 4862, 5270, 5797, 6470, 6851, 7117, 8411, 8866, 10999, 11594, 12155, 13702, 14234, 16822, 20057, 21998, 22165, 24310, 28985, 34255, 35585, 40114, 42055, 44330, 54995, 57970, 68510, 71170, 75361, 84110, 92521, 100285, 109990, 120989, 142987, 150722, 185042, 200570, 220627, 241978, 260741, 285974, 340969, 376805, 441254, 462605, 521482, 604945, 681938, 714935, 753610, 925210, 1103135, 1209890, 1303705, 1429870, 1572857, 1704845, 2206270, 2607410, 2868151, 3145714, 3409690, 3750659, 4432597, 5736302, 7501318, 7864285, 8865194, 14340755, 15728570, 18753295, 22162985, 28681510, 37506590, 44325970, 48758567, 97517134, 243792835, 487585670]

約数ペア:

[(1, 487585670), (2, 243792835), (5, 97517134), (10, 48758567), (11, 44325970), (13, 37506590), (17, 28681510), (22, 22162985), (26, 18753295), (31, 15728570), (34, 14340755), (55, 8865194), (62, 7864285), (65, 7501318), (85, 5736302), (110, 4432597), (130, 3750659), (143, 3409690), (155, 3145714), (170, 2868151), (187, 2607410), (221, 2206270), (286, 1704845), (310, 1572857), (341, 1429870), (374, 1303705), (403, 1209890), (442, 1103135), (527, 925210), (647, 753610), (682, 714935), (715, 681938), (806, 604945), (935, 521482), (1054, 462605), (1105, 441254), (1294, 376805), (1430, 340969), (1705, 285974), (1870, 260741), (2015, 241978), (2210, 220627), (2431, 200570), (2635, 185042), (3235, 150722), (3410, 142987), (4030, 120989), (4433, 109990), (4862, 100285), (5270, 92521), (5797, 84110), (6470, 75361), (6851, 71170), (7117, 68510), (8411, 57970), (8866, 54995), (10999, 44330), (11594, 42055), (12155, 40114), (13702, 35585), (14234, 34255), (16822, 28985), (20057, 24310), (21998, 22165)]