420791940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{49739}}^1$

素因数の和:49801

約数の個数: 72

約数和(自身を含む): 1303585920

約数和(自身を除く): 882793980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 49739, 99478, 149217, 198956, 248695, 298434, 447651, 497390, 596868, 746085, 895302, 994780, 1492170, 1790604, 2238255, 2337733, 2984340, 4476510, 4675466, 7013199, 8953020, 9350932, 11688665, 14026398, 21039597, 23377330, 28052796, 35065995, 42079194, 46754660, 70131990, 84158388, 105197985, 140263980, 210395970, 420791940]

約数ペア:

[(1, 420791940), (2, 210395970), (3, 140263980), (4, 105197985), (5, 84158388), (6, 70131990), (9, 46754660), (10, 42079194), (12, 35065995), (15, 28052796), (18, 23377330), (20, 21039597), (30, 14026398), (36, 11688665), (45, 9350932), (47, 8953020), (60, 7013199), (90, 4675466), (94, 4476510), (141, 2984340), (180, 2337733), (188, 2238255), (235, 1790604), (282, 1492170), (423, 994780), (470, 895302), (564, 746085), (705, 596868), (846, 497390), (940, 447651), (1410, 298434), (1692, 248695), (2115, 198956), (2820, 149217), (4230, 99478), (8460, 49739)]