664462870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 1320468480

約数和(自身を除く): 656005610

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 383, 397, 437, 766, 794, 874, 1915, 1985, 2185, 3830, 3970, 4370, 7277, 7543, 8809, 9131, 14554, 15086, 17618, 18262, 36385, 37715, 44045, 45655, 72770, 75430, 88090, 91310, 152051, 167371, 173489, 304102, 334742, 346978, 760255, 836855, 867445, 1520510, 1673710, 1734890, 2888969, 3497173, 5777938, 6994346, 14444845, 17485865, 28889690, 34971730, 66446287, 132892574, 332231435, 664462870]

約数ペア:

[(1, 664462870), (2, 332231435), (5, 132892574), (10, 66446287), (19, 34971730), (23, 28889690), (38, 17485865), (46, 14444845), (95, 6994346), (115, 5777938), (190, 3497173), (230, 2888969), (383, 1734890), (397, 1673710), (437, 1520510), (766, 867445), (794, 836855), (874, 760255), (1915, 346978), (1985, 334742), (2185, 304102), (3830, 173489), (3970, 167371), (4370, 152051), (7277, 91310), (7543, 88090), (8809, 75430), (9131, 72770), (14554, 45655), (15086, 44045), (17618, 37715), (18262, 36385)]