253342740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{86171}}^1$

素因数の和:86197

約数の個数: 72

約数和(自身を含む): 825183072

約数和(自身を除く): 571840332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 86171, 172342, 258513, 344684, 430855, 517026, 603197, 861710, 1034052, 1206394, 1292565, 1723420, 1809591, 2412788, 2585130, 3015985, 3619182, 4222379, 5170260, 6031970, 7238364, 8444758, 9047955, 12063940, 12667137, 16889516, 18095910, 21111895, 25334274, 36191820, 42223790, 50668548, 63335685, 84447580, 126671370, 253342740]

約数ペア:

[(1, 253342740), (2, 126671370), (3, 84447580), (4, 63335685), (5, 50668548), (6, 42223790), (7, 36191820), (10, 25334274), (12, 21111895), (14, 18095910), (15, 16889516), (20, 12667137), (21, 12063940), (28, 9047955), (30, 8444758), (35, 7238364), (42, 6031970), (49, 5170260), (60, 4222379), (70, 3619182), (84, 3015985), (98, 2585130), (105, 2412788), (140, 1809591), (147, 1723420), (196, 1292565), (210, 1206394), (245, 1034052), (294, 861710), (420, 603197), (490, 517026), (588, 430855), (735, 344684), (980, 258513), (1470, 172342), (2940, 86171)]