239888940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 690729984

約数和(自身を除く): 450841044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 257, 282, 331, 470, 514, 564, 662, 705, 771, 940, 993, 1028, 1285, 1324, 1410, 1542, 1655, 1986, 2570, 2820, 3084, 3310, 3855, 3972, 4965, 5140, 6620, 7710, 9930, 12079, 15420, 15557, 19860, 24158, 31114, 36237, 46671, 48316, 60395, 62228, 72474, 77785, 85067, 93342, 120790, 144948, 155570, 170134, 181185, 186684, 233355, 241580, 255201, 311140, 340268, 362370, 425335, 466710, 510402, 724740, 850670, 933420, 1020804, 1276005, 1701340, 2552010, 3998149, 5104020, 7996298, 11994447, 15992596, 19990745, 23988894, 39981490, 47977788, 59972235, 79962980, 119944470, 239888940]

約数ペア:

[(1, 239888940), (2, 119944470), (3, 79962980), (4, 59972235), (5, 47977788), (6, 39981490), (10, 23988894), (12, 19990745), (15, 15992596), (20, 11994447), (30, 7996298), (47, 5104020), (60, 3998149), (94, 2552010), (141, 1701340), (188, 1276005), (235, 1020804), (257, 933420), (282, 850670), (331, 724740), (470, 510402), (514, 466710), (564, 425335), (662, 362370), (705, 340268), (771, 311140), (940, 255201), (993, 241580), (1028, 233355), (1285, 186684), (1324, 181185), (1410, 170134), (1542, 155570), (1655, 144948), (1986, 120790), (2570, 93342), (2820, 85067), (3084, 77785), (3310, 72474), (3855, 62228), (3972, 60395), (4965, 48316), (5140, 46671), (6620, 36237), (7710, 31114), (9930, 24158), (12079, 19860), (15420, 15557)]