1398440940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{77951}}^1$

素因数の和:77999

約数の個数: 96

約数和(自身を含む): 4400234496

約数和(自身を除く): 3001793556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1794, 2990, 3588, 4485, 5980, 8970, 17940, 77951, 155902, 233853, 311804, 389755, 467706, 779510, 935412, 1013363, 1169265, 1559020, 1792873, 2026726, 2338530, 3040089, 3585746, 4053452, 4677060, 5066815, 5378619, 6080178, 7171492, 8964365, 10133630, 10757238, 12160356, 15200445, 17928730, 20267260, 21514476, 23307349, 26893095, 30400890, 35857460, 46614698, 53786190, 60801780, 69922047, 93229396, 107572380, 116536745, 139844094, 233073490, 279688188, 349610235, 466146980, 699220470, 1398440940]

約数ペア:

[(1, 1398440940), (2, 699220470), (3, 466146980), (4, 349610235), (5, 279688188), (6, 233073490), (10, 139844094), (12, 116536745), (13, 107572380), (15, 93229396), (20, 69922047), (23, 60801780), (26, 53786190), (30, 46614698), (39, 35857460), (46, 30400890), (52, 26893095), (60, 23307349), (65, 21514476), (69, 20267260), (78, 17928730), (92, 15200445), (115, 12160356), (130, 10757238), (138, 10133630), (156, 8964365), (195, 7171492), (230, 6080178), (260, 5378619), (276, 5066815), (299, 4677060), (345, 4053452), (390, 3585746), (460, 3040089), (598, 2338530), (690, 2026726), (780, 1792873), (897, 1559020), (1196, 1169265), (1380, 1013363), (1495, 935412), (1794, 779510), (2990, 467706), (3588, 389755), (4485, 311804), (5980, 233853), (8970, 155902), (17940, 77951)]