201761950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 465438960

約数和(自身を除く): 263677010

約数列:

[1, 2, 5, 10, 13, 17, 19, 25, 26, 31, 34, 38, 50, 62, 65, 85, 95, 130, 155, 170, 190, 221, 247, 310, 323, 325, 403, 425, 442, 475, 494, 527, 589, 646, 650, 775, 806, 850, 950, 961, 1054, 1105, 1178, 1235, 1550, 1615, 1922, 2015, 2210, 2470, 2635, 2945, 3230, 4030, 4199, 4805, 5270, 5525, 5890, 6175, 6851, 7657, 8075, 8398, 9610, 10013, 10075, 11050, 12350, 12493, 13175, 13702, 14725, 15314, 16150, 16337, 18259, 20026, 20150, 20995, 24025, 24986, 26350, 29450, 32674, 34255, 36518, 38285, 41990, 48050, 50065, 62465, 68510, 76570, 81685, 91295, 100130, 104975, 124930, 130169, 163370, 171275, 182590, 191425, 209950, 212381, 237367, 250325, 260338, 310403, 312325, 342550, 382850, 408425, 424762, 456475, 474734, 500650, 620806, 624650, 650845, 816850, 912950, 1061905, 1186835, 1301690, 1552015, 2123810, 2373670, 3104030, 3254225, 4035239, 5309525, 5934175, 6508450, 7760075, 8070478, 10619050, 11868350, 15520150, 20176195, 40352390, 100880975, 201761950]

約数ペア:

[(1, 201761950), (2, 100880975), (5, 40352390), (10, 20176195), (13, 15520150), (17, 11868350), (19, 10619050), (25, 8070478), (26, 7760075), (31, 6508450), (34, 5934175), (38, 5309525), (50, 4035239), (62, 3254225), (65, 3104030), (85, 2373670), (95, 2123810), (130, 1552015), (155, 1301690), (170, 1186835), (190, 1061905), (221, 912950), (247, 816850), (310, 650845), (323, 624650), (325, 620806), (403, 500650), (425, 474734), (442, 456475), (475, 424762), (494, 408425), (527, 382850), (589, 342550), (646, 312325), (650, 310403), (775, 260338), (806, 250325), (850, 237367), (950, 212381), (961, 209950), (1054, 191425), (1105, 182590), (1178, 171275), (1235, 163370), (1550, 130169), (1615, 124930), (1922, 104975), (2015, 100130), (2210, 91295), (2470, 81685), (2635, 76570), (2945, 68510), (3230, 62465), (4030, 50065), (4199, 48050), (4805, 41990), (5270, 38285), (5525, 36518), (5890, 34255), (6175, 32674), (6851, 29450), (7657, 26350), (8075, 24986), (8398, 24025), (9610, 20995), (10013, 20150), (10075, 20026), (11050, 18259), (12350, 16337), (12493, 16150), (13175, 15314), (13702, 14725)]