198743960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2347}}^1$

素因数の和:2460

約数の個数: 64

約数和(自身を含む): 469130400

約数和(自身を除く): 270386440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 365, 580, 584, 730, 1160, 1460, 2117, 2347, 2920, 4234, 4694, 8468, 9388, 10585, 11735, 16936, 18776, 21170, 23470, 42340, 46940, 68063, 84680, 93880, 136126, 171331, 272252, 340315, 342662, 544504, 680630, 685324, 856655, 1361260, 1370648, 1713310, 2722520, 3426620, 4968599, 6853240, 9937198, 19874396, 24842995, 39748792, 49685990, 99371980, 198743960]

約数ペア:

[(1, 198743960), (2, 99371980), (4, 49685990), (5, 39748792), (8, 24842995), (10, 19874396), (20, 9937198), (29, 6853240), (40, 4968599), (58, 3426620), (73, 2722520), (116, 1713310), (145, 1370648), (146, 1361260), (232, 856655), (290, 685324), (292, 680630), (365, 544504), (580, 342662), (584, 340315), (730, 272252), (1160, 171331), (1460, 136126), (2117, 93880), (2347, 84680), (2920, 68063), (4234, 46940), (4694, 42340), (8468, 23470), (9388, 21170), (10585, 18776), (11735, 16936)]