1249206580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 2872800000

約数和(自身を除く): 1623593420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 199, 340, 370, 398, 499, 629, 740, 796, 995, 998, 1258, 1990, 1996, 2495, 2516, 3145, 3383, 3980, 4990, 6290, 6766, 7363, 8483, 9980, 12580, 13532, 14726, 16915, 16966, 18463, 29452, 33830, 33932, 36815, 36926, 42415, 67660, 73630, 73852, 84830, 92315, 99301, 125171, 147260, 169660, 184630, 198602, 250342, 313871, 369260, 397204, 496505, 500684, 625855, 627742, 993010, 1251710, 1255484, 1569355, 1688117, 1986020, 2503420, 3138710, 3376234, 3674137, 6277420, 6752468, 7348274, 8440585, 14696548, 16881170, 18370685, 33762340, 36741370, 62460329, 73482740, 124920658, 249841316, 312301645, 624603290, 1249206580]

約数ペア:

[(1, 1249206580), (2, 624603290), (4, 312301645), (5, 249841316), (10, 124920658), (17, 73482740), (20, 62460329), (34, 36741370), (37, 33762340), (68, 18370685), (74, 16881170), (85, 14696548), (148, 8440585), (170, 7348274), (185, 6752468), (199, 6277420), (340, 3674137), (370, 3376234), (398, 3138710), (499, 2503420), (629, 1986020), (740, 1688117), (796, 1569355), (995, 1255484), (998, 1251710), (1258, 993010), (1990, 627742), (1996, 625855), (2495, 500684), (2516, 496505), (3145, 397204), (3383, 369260), (3980, 313871), (4990, 250342), (6290, 198602), (6766, 184630), (7363, 169660), (8483, 147260), (9980, 125171), (12580, 99301), (13532, 92315), (14726, 84830), (16915, 73852), (16966, 73630), (18463, 67660), (29452, 42415), (33830, 36926), (33932, 36815)]