389171180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 875169792

約数和(自身を除く): 485998612

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 101, 127, 148, 164, 185, 202, 205, 254, 370, 404, 410, 505, 508, 635, 740, 820, 1010, 1270, 1517, 2020, 2540, 3034, 3737, 4141, 4699, 5207, 6068, 7474, 7585, 8282, 9398, 10414, 12827, 14948, 15170, 16564, 18685, 18796, 20705, 20828, 23495, 25654, 26035, 30340, 37370, 41410, 46990, 51308, 52070, 64135, 74740, 82820, 93980, 104140, 128270, 153217, 192659, 256540, 306434, 385318, 474599, 525907, 612868, 766085, 770636, 949198, 963295, 1051814, 1532170, 1898396, 1926590, 2103628, 2372995, 2629535, 3064340, 3853180, 4745990, 5259070, 9491980, 10518140, 19458559, 38917118, 77834236, 97292795, 194585590, 389171180]

約数ペア:

[(1, 389171180), (2, 194585590), (4, 97292795), (5, 77834236), (10, 38917118), (20, 19458559), (37, 10518140), (41, 9491980), (74, 5259070), (82, 4745990), (101, 3853180), (127, 3064340), (148, 2629535), (164, 2372995), (185, 2103628), (202, 1926590), (205, 1898396), (254, 1532170), (370, 1051814), (404, 963295), (410, 949198), (505, 770636), (508, 766085), (635, 612868), (740, 525907), (820, 474599), (1010, 385318), (1270, 306434), (1517, 256540), (2020, 192659), (2540, 153217), (3034, 128270), (3737, 104140), (4141, 93980), (4699, 82820), (5207, 74740), (6068, 64135), (7474, 52070), (7585, 51308), (8282, 46990), (9398, 41410), (10414, 37370), (12827, 30340), (14948, 26035), (15170, 25654), (16564, 23495), (18685, 20828), (18796, 20705)]