200996972

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2043

約数の個数: 48

約数和(自身を含む): 407460480

約数和(自身を除く): 206463508

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 1331, 1987, 2299, 2662, 3974, 4598, 5324, 7948, 9196, 21857, 25289, 37753, 43714, 50578, 75506, 87428, 101156, 151012, 240427, 415283, 480854, 830566, 961708, 1661132, 2644697, 4568113, 5289394, 9136226, 10578788, 18272452, 50249243, 100498486, 200996972]

約数ペア:

[(1, 200996972), (2, 100498486), (4, 50249243), (11, 18272452), (19, 10578788), (22, 9136226), (38, 5289394), (44, 4568113), (76, 2644697), (121, 1661132), (209, 961708), (242, 830566), (418, 480854), (484, 415283), (836, 240427), (1331, 151012), (1987, 101156), (2299, 87428), (2662, 75506), (3974, 50578), (4598, 43714), (5324, 37753), (7948, 25289), (9196, 21857)]