281360940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{95701}}^1$

素因数の和:95727

約数の個数: 72

約数和(自身を含む): 916442352

約数和(自身を除く): 635081412

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, 95701, 191402, 287103, 382804, 478505, 574206, 669907, 957010, 1148412, 1339814, 1435515, 1914020, 2009721, 2679628, 2871030, 3349535, 4019442, 4689349, 5742060, 6699070, 8038884, 9378698, 10048605, 13398140, 14068047, 18757396, 20097210, 23446745, 28136094, 40194420, 46893490, 56272188, 70340235, 93786980, 140680470, 281360940]

約数ペア:

[(1, 281360940), (2, 140680470), (3, 93786980), (4, 70340235), (5, 56272188), (6, 46893490), (7, 40194420), (10, 28136094), (12, 23446745), (14, 20097210), (15, 18757396), (20, 14068047), (21, 13398140), (28, 10048605), (30, 9378698), (35, 8038884), (42, 6699070), (49, 5742060), (60, 4689349), (70, 4019442), (84, 3349535), (98, 2871030), (105, 2679628), (140, 2009721), (147, 1914020), (196, 1435515), (210, 1339814), (245, 1148412), (294, 957010), (420, 669907), (490, 574206), (588, 478505), (735, 382804), (980, 287103), (1470, 191402), (2940, 95701)]