278234320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38219}}^1$

素因数の和:38252

約数の個数: 80

約数和(自身を含む): 796199040

約数和(自身を除く): 517964720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 38219, 76438, 152876, 191095, 267533, 305752, 382190, 496847, 535066, 611504, 764380, 993694, 1070132, 1337665, 1528760, 1987388, 2140264, 2484235, 2675330, 3057520, 3477929, 3974776, 4280528, 4968470, 5350660, 6955858, 7949552, 9936940, 10701320, 13911716, 17389645, 19873880, 21402640, 27823432, 34779290, 39747760, 55646864, 69558580, 139117160, 278234320]

約数ペア:

[(1, 278234320), (2, 139117160), (4, 69558580), (5, 55646864), (7, 39747760), (8, 34779290), (10, 27823432), (13, 21402640), (14, 19873880), (16, 17389645), (20, 13911716), (26, 10701320), (28, 9936940), (35, 7949552), (40, 6955858), (52, 5350660), (56, 4968470), (65, 4280528), (70, 3974776), (80, 3477929), (91, 3057520), (104, 2675330), (112, 2484235), (130, 2140264), (140, 1987388), (182, 1528760), (208, 1337665), (260, 1070132), (280, 993694), (364, 764380), (455, 611504), (520, 535066), (560, 496847), (728, 382190), (910, 305752), (1040, 267533), (1456, 191095), (1820, 152876), (3640, 76438), (7280, 38219)]