200513980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 452734128

約数和(自身を除く): 252220148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 289, 307, 340, 452, 565, 578, 614, 1130, 1156, 1228, 1445, 1535, 1921, 2260, 2890, 3070, 3842, 5219, 5780, 6140, 7684, 9605, 10438, 19210, 20876, 26095, 32657, 34691, 38420, 52190, 65314, 69382, 88723, 104380, 130628, 138764, 163285, 173455, 177446, 326570, 346910, 354892, 443615, 589747, 653140, 693820, 887230, 1179494, 1774460, 2358988, 2948735, 5897470, 10025699, 11794940, 20051398, 40102796, 50128495, 100256990, 200513980]

約数ペア:

[(1, 200513980), (2, 100256990), (4, 50128495), (5, 40102796), (10, 20051398), (17, 11794940), (20, 10025699), (34, 5897470), (68, 2948735), (85, 2358988), (113, 1774460), (170, 1179494), (226, 887230), (289, 693820), (307, 653140), (340, 589747), (452, 443615), (565, 354892), (578, 346910), (614, 326570), (1130, 177446), (1156, 173455), (1228, 163285), (1445, 138764), (1535, 130628), (1921, 104380), (2260, 88723), (2890, 69382), (3070, 65314), (3842, 52190), (5219, 38420), (5780, 34691), (6140, 32657), (7684, 26095), (9605, 20876), (10438, 19210)]