388670980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 873024768

約数和(自身を除く): 484353788

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 73, 82, 86, 146, 151, 164, 172, 205, 215, 292, 302, 365, 410, 430, 604, 730, 755, 820, 860, 1460, 1510, 1763, 2993, 3020, 3139, 3526, 5986, 6191, 6278, 6493, 7052, 8815, 11023, 11972, 12382, 12556, 12986, 14965, 15695, 17630, 22046, 24764, 25972, 29930, 30955, 31390, 32465, 35260, 44092, 55115, 59860, 61910, 62780, 64930, 110230, 123820, 128699, 129860, 220460, 257398, 266213, 451943, 473989, 514796, 532426, 643495, 903886, 947978, 1064852, 1286990, 1331065, 1807772, 1895956, 2259715, 2369945, 2573980, 2662130, 4519430, 4739890, 5324260, 9038860, 9479780, 19433549, 38867098, 77734196, 97167745, 194335490, 388670980]

約数ペア:

[(1, 388670980), (2, 194335490), (4, 97167745), (5, 77734196), (10, 38867098), (20, 19433549), (41, 9479780), (43, 9038860), (73, 5324260), (82, 4739890), (86, 4519430), (146, 2662130), (151, 2573980), (164, 2369945), (172, 2259715), (205, 1895956), (215, 1807772), (292, 1331065), (302, 1286990), (365, 1064852), (410, 947978), (430, 903886), (604, 643495), (730, 532426), (755, 514796), (820, 473989), (860, 451943), (1460, 266213), (1510, 257398), (1763, 220460), (2993, 129860), (3020, 128699), (3139, 123820), (3526, 110230), (5986, 64930), (6191, 62780), (6278, 61910), (6493, 59860), (7052, 55115), (8815, 44092), (11023, 35260), (11972, 32465), (12382, 31390), (12556, 30955), (12986, 29930), (14965, 25972), (15695, 24764), (17630, 22046)]