280100940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2657}}^1$

素因数の和:2927

約数の個数: 96

約数和(自身を含む): 900232704

約数和(自身を除く): 620131764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 251, 420, 502, 753, 1004, 1255, 1506, 1757, 2510, 2657, 3012, 3514, 3765, 5020, 5271, 5314, 7028, 7530, 7971, 8785, 10542, 10628, 13285, 15060, 15942, 17570, 18599, 21084, 26355, 26570, 31884, 35140, 37198, 39855, 52710, 53140, 55797, 74396, 79710, 92995, 105420, 111594, 159420, 185990, 223188, 278985, 371980, 557970, 666907, 1115940, 1333814, 2000721, 2667628, 3334535, 4001442, 4668349, 6669070, 8002884, 9336698, 10003605, 13338140, 14005047, 18673396, 20007210, 23341745, 28010094, 40014420, 46683490, 56020188, 70025235, 93366980, 140050470, 280100940]

約数ペア:

[(1, 280100940), (2, 140050470), (3, 93366980), (4, 70025235), (5, 56020188), (6, 46683490), (7, 40014420), (10, 28010094), (12, 23341745), (14, 20007210), (15, 18673396), (20, 14005047), (21, 13338140), (28, 10003605), (30, 9336698), (35, 8002884), (42, 6669070), (60, 4668349), (70, 4001442), (84, 3334535), (105, 2667628), (140, 2000721), (210, 1333814), (251, 1115940), (420, 666907), (502, 557970), (753, 371980), (1004, 278985), (1255, 223188), (1506, 185990), (1757, 159420), (2510, 111594), (2657, 105420), (3012, 92995), (3514, 79710), (3765, 74396), (5020, 55797), (5271, 53140), (5314, 52710), (7028, 39855), (7530, 37198), (7971, 35140), (8785, 31884), (10542, 26570), (10628, 26355), (13285, 21084), (15060, 18599), (15942, 17570)]