651888340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{6089}}^1$

素因数の和:6252

約数の個数: 48

約数和(自身を含む): 1408836240

約数和(自身を除く): 756947900

約数列:

[1, 2, 4, 5, 10, 20, 53, 101, 106, 202, 212, 265, 404, 505, 530, 1010, 1060, 2020, 5353, 6089, 10706, 12178, 21412, 24356, 26765, 30445, 53530, 60890, 107060, 121780, 322717, 614989, 645434, 1229978, 1290868, 1613585, 2459956, 3074945, 3227170, 6149890, 6454340, 12299780, 32594417, 65188834, 130377668, 162972085, 325944170, 651888340]

約数ペア:

[(1, 651888340), (2, 325944170), (4, 162972085), (5, 130377668), (10, 65188834), (20, 32594417), (53, 12299780), (101, 6454340), (106, 6149890), (202, 3227170), (212, 3074945), (265, 2459956), (404, 1613585), (505, 1290868), (530, 1229978), (1010, 645434), (1060, 614989), (2020, 322717), (5353, 121780), (6089, 107060), (10706, 60890), (12178, 53530), (21412, 30445), (24356, 26765)]