2000472015

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 3368977920

約数和(自身を除く): 1368505905

約数列:

[1, 3, 5, 15, 43, 53, 129, 139, 159, 215, 265, 417, 421, 645, 695, 795, 1263, 2085, 2105, 2279, 5977, 6315, 6837, 7367, 11395, 17931, 18103, 22101, 22313, 29885, 34185, 36835, 54309, 58519, 66939, 89655, 90515, 110505, 111565, 175557, 271545, 292595, 316781, 334695, 877785, 950343, 959459, 1583905, 2516317, 2878377, 3101507, 4751715, 4797295, 7548951, 9304521, 12581585, 14391885, 15507535, 37744755, 46522605, 133364801, 400094403, 666824005, 2000472015]

約数ペア:

[(1, 2000472015), (3, 666824005), (5, 400094403), (15, 133364801), (43, 46522605), (53, 37744755), (129, 15507535), (139, 14391885), (159, 12581585), (215, 9304521), (265, 7548951), (417, 4797295), (421, 4751715), (645, 3101507), (695, 2878377), (795, 2516317), (1263, 1583905), (2085, 959459), (2105, 950343), (2279, 877785), (5977, 334695), (6315, 316781), (6837, 292595), (7367, 271545), (11395, 175557), (17931, 111565), (18103, 110505), (22101, 90515), (22313, 89655), (29885, 66939), (34185, 58519), (36835, 54309)]