209315210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1021}}^1$

素因数の和:1143

約数の個数: 64

約数和(自身を含む): 432673920

約数和(自身を除く): 223358710

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 83, 95, 130, 166, 190, 247, 415, 494, 830, 1021, 1079, 1235, 1577, 2042, 2158, 2470, 3154, 5105, 5395, 7885, 10210, 10790, 13273, 15770, 19399, 20501, 26546, 38798, 41002, 66365, 84743, 96995, 102505, 132730, 169486, 193990, 205010, 252187, 423715, 504374, 847430, 1101659, 1260935, 1610117, 2203318, 2521870, 3220234, 5508295, 8050585, 11016590, 16101170, 20931521, 41863042, 104657605, 209315210]

約数ペア:

[(1, 209315210), (2, 104657605), (5, 41863042), (10, 20931521), (13, 16101170), (19, 11016590), (26, 8050585), (38, 5508295), (65, 3220234), (83, 2521870), (95, 2203318), (130, 1610117), (166, 1260935), (190, 1101659), (247, 847430), (415, 504374), (494, 423715), (830, 252187), (1021, 205010), (1079, 193990), (1235, 169486), (1577, 132730), (2042, 102505), (2158, 96995), (2470, 84743), (3154, 66365), (5105, 41002), (5395, 38798), (7885, 26546), (10210, 20501), (10790, 19399), (13273, 15770)]