79700420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{13789}}^1$

素因数の和:13832

約数の個数: 36

約数和(自身を含む): 177808260

約数和(自身を除く): 98107840

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 13789, 27578, 55156, 68945, 137890, 234413, 275780, 468826, 937652, 1172065, 2344130, 3985021, 4688260, 7970042, 15940084, 19925105, 39850210, 79700420]

約数ペア:

[(1, 79700420), (2, 39850210), (4, 19925105), (5, 15940084), (10, 7970042), (17, 4688260), (20, 3985021), (34, 2344130), (68, 1172065), (85, 937652), (170, 468826), (289, 275780), (340, 234413), (578, 137890), (1156, 68945), (1445, 55156), (2890, 27578), (5780, 13789)]