288616820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 670602240

約数和(自身を除く): 381985420

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 139, 155, 170, 197, 278, 310, 340, 394, 527, 556, 620, 695, 788, 985, 1054, 1390, 1970, 2108, 2363, 2635, 2780, 3349, 3940, 4309, 4726, 5270, 6107, 6698, 8618, 9452, 10540, 11815, 12214, 13396, 16745, 17236, 21545, 23630, 24428, 27383, 30535, 33490, 43090, 47260, 54766, 61070, 66980, 73253, 86180, 103819, 109532, 122140, 136915, 146506, 207638, 273830, 293012, 366265, 415276, 465511, 519095, 547660, 732530, 848873, 931022, 1038190, 1465060, 1697746, 1862044, 2076380, 2327555, 3395492, 4244365, 4655110, 8488730, 9310220, 14430841, 16977460, 28861682, 57723364, 72154205, 144308410, 288616820]

約数ペア:

[(1, 288616820), (2, 144308410), (4, 72154205), (5, 57723364), (10, 28861682), (17, 16977460), (20, 14430841), (31, 9310220), (34, 8488730), (62, 4655110), (68, 4244365), (85, 3395492), (124, 2327555), (139, 2076380), (155, 1862044), (170, 1697746), (197, 1465060), (278, 1038190), (310, 931022), (340, 848873), (394, 732530), (527, 547660), (556, 519095), (620, 465511), (695, 415276), (788, 366265), (985, 293012), (1054, 273830), (1390, 207638), (1970, 146506), (2108, 136915), (2363, 122140), (2635, 109532), (2780, 103819), (3349, 86180), (3940, 73253), (4309, 66980), (4726, 61070), (5270, 54766), (6107, 47260), (6698, 43090), (8618, 33490), (9452, 30535), (10540, 27383), (11815, 24428), (12214, 23630), (13396, 21545), (16745, 17236)]