348780880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3821}}^1$

素因数の和:4004

約数の個数: 80

約数和(自身を含む): 932690304

約数和(自身を除く): 583909424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 815, 1141, 1304, 1630, 2282, 2608, 3260, 3821, 4564, 5705, 6520, 7642, 9128, 11410, 13040, 15284, 18256, 19105, 22820, 26747, 30568, 38210, 45640, 53494, 61136, 76420, 91280, 106988, 133735, 152840, 213976, 267470, 305680, 427952, 534940, 622823, 1069880, 1245646, 2139760, 2491292, 3114115, 4359761, 4982584, 6228230, 8719522, 9965168, 12456460, 17439044, 21798805, 24912920, 34878088, 43597610, 49825840, 69756176, 87195220, 174390440, 348780880]

約数ペア:

[(1, 348780880), (2, 174390440), (4, 87195220), (5, 69756176), (7, 49825840), (8, 43597610), (10, 34878088), (14, 24912920), (16, 21798805), (20, 17439044), (28, 12456460), (35, 9965168), (40, 8719522), (56, 6228230), (70, 4982584), (80, 4359761), (112, 3114115), (140, 2491292), (163, 2139760), (280, 1245646), (326, 1069880), (560, 622823), (652, 534940), (815, 427952), (1141, 305680), (1304, 267470), (1630, 213976), (2282, 152840), (2608, 133735), (3260, 106988), (3821, 91280), (4564, 76420), (5705, 61136), (6520, 53494), (7642, 45640), (9128, 38210), (11410, 30568), (13040, 26747), (15284, 22820), (18256, 19105)]