397634640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127447}}^1$

素因数の和:127476

約数の個数: 80

約数和(自身を含む): 1327498368

約数和(自身を除く): 929863728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 127447, 254894, 382341, 509788, 637235, 764682, 1019576, 1274470, 1529364, 1656811, 1911705, 2039152, 2548940, 3058728, 3313622, 3823410, 4970433, 5097880, 6117456, 6627244, 7646820, 8284055, 9940866, 10195760, 13254488, 15293640, 16568110, 19881732, 24852165, 26508976, 30587280, 33136220, 39763464, 49704330, 66272440, 79526928, 99408660, 132544880, 198817320, 397634640]

約数ペア:

[(1, 397634640), (2, 198817320), (3, 132544880), (4, 99408660), (5, 79526928), (6, 66272440), (8, 49704330), (10, 39763464), (12, 33136220), (13, 30587280), (15, 26508976), (16, 24852165), (20, 19881732), (24, 16568110), (26, 15293640), (30, 13254488), (39, 10195760), (40, 9940866), (48, 8284055), (52, 7646820), (60, 6627244), (65, 6117456), (78, 5097880), (80, 4970433), (104, 3823410), (120, 3313622), (130, 3058728), (156, 2548940), (195, 2039152), (208, 1911705), (240, 1656811), (260, 1529364), (312, 1274470), (390, 1019576), (520, 764682), (624, 637235), (780, 509788), (1040, 382341), (1560, 254894), (3120, 127447)]