215099380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 498960000

約数和(自身を除く): 283860620

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 131, 145, 149, 190, 262, 290, 298, 380, 524, 551, 580, 596, 655, 745, 1102, 1310, 1490, 2204, 2489, 2620, 2755, 2831, 2980, 3799, 4321, 4978, 5510, 5662, 7598, 8642, 9956, 11020, 11324, 12445, 14155, 15196, 17284, 18995, 19519, 21605, 24890, 28310, 37990, 39038, 43210, 49780, 56620, 72181, 75980, 78076, 82099, 86420, 97595, 144362, 164198, 195190, 288724, 328396, 360905, 370861, 390380, 410495, 566051, 721810, 741722, 820990, 1132102, 1443620, 1483444, 1641980, 1854305, 2264204, 2830255, 3708610, 5660510, 7417220, 10754969, 11321020, 21509938, 43019876, 53774845, 107549690, 215099380]

約数ペア:

[(1, 215099380), (2, 107549690), (4, 53774845), (5, 43019876), (10, 21509938), (19, 11321020), (20, 10754969), (29, 7417220), (38, 5660510), (58, 3708610), (76, 2830255), (95, 2264204), (116, 1854305), (131, 1641980), (145, 1483444), (149, 1443620), (190, 1132102), (262, 820990), (290, 741722), (298, 721810), (380, 566051), (524, 410495), (551, 390380), (580, 370861), (596, 360905), (655, 328396), (745, 288724), (1102, 195190), (1310, 164198), (1490, 144362), (2204, 97595), (2489, 86420), (2620, 82099), (2755, 78076), (2831, 75980), (2980, 72181), (3799, 56620), (4321, 49780), (4978, 43210), (5510, 39038), (5662, 37990), (7598, 28310), (8642, 24890), (9956, 21605), (11020, 19519), (11324, 18995), (12445, 17284), (14155, 15196)]