4554640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 60

約数和(自身を含む): 11306196

約数和(自身を除く): 6751556

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 197, 272, 289, 340, 394, 578, 680, 788, 985, 1156, 1360, 1445, 1576, 1970, 2312, 2890, 3152, 3349, 3940, 4624, 5780, 6698, 7880, 11560, 13396, 15760, 16745, 23120, 26792, 33490, 53584, 56933, 66980, 113866, 133960, 227732, 267920, 284665, 455464, 569330, 910928, 1138660, 2277320, 4554640]

約数ペア:

[(1, 4554640), (2, 2277320), (4, 1138660), (5, 910928), (8, 569330), (10, 455464), (16, 284665), (17, 267920), (20, 227732), (34, 133960), (40, 113866), (68, 66980), (80, 56933), (85, 53584), (136, 33490), (170, 26792), (197, 23120), (272, 16745), (289, 15760), (340, 13396), (394, 11560), (578, 7880), (680, 6698), (788, 5780), (985, 4624), (1156, 3940), (1360, 3349), (1445, 3152), (1576, 2890), (1970, 2312)]