153761860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 387072000

約数和(自身を除く): 233310140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 217, 284, 310, 355, 434, 497, 499, 620, 710, 868, 994, 998, 1085, 1420, 1988, 1996, 2170, 2201, 2485, 2495, 3493, 4340, 4402, 4970, 4990, 6986, 8804, 9940, 9980, 11005, 13972, 15407, 15469, 17465, 22010, 30814, 30938, 34930, 35429, 44020, 61628, 61876, 69860, 70858, 77035, 77345, 108283, 141716, 154070, 154690, 177145, 216566, 248003, 308140, 309380, 354290, 433132, 496006, 541415, 708580, 992012, 1082830, 1098299, 1240015, 2165660, 2196598, 2480030, 4393196, 4960060, 5491495, 7688093, 10982990, 15376186, 21965980, 30752372, 38440465, 76880930, 153761860]

約数ペア:

[(1, 153761860), (2, 76880930), (4, 38440465), (5, 30752372), (7, 21965980), (10, 15376186), (14, 10982990), (20, 7688093), (28, 5491495), (31, 4960060), (35, 4393196), (62, 2480030), (70, 2196598), (71, 2165660), (124, 1240015), (140, 1098299), (142, 1082830), (155, 992012), (217, 708580), (284, 541415), (310, 496006), (355, 433132), (434, 354290), (497, 309380), (499, 308140), (620, 248003), (710, 216566), (868, 177145), (994, 154690), (998, 154070), (1085, 141716), (1420, 108283), (1988, 77345), (1996, 77035), (2170, 70858), (2201, 69860), (2485, 61876), (2495, 61628), (3493, 44020), (4340, 35429), (4402, 34930), (4970, 30938), (4990, 30814), (6986, 22010), (8804, 17465), (9940, 15469), (9980, 15407), (11005, 13972)]