664659220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 1489259520

約数和(自身を除く): 824600300

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 113, 124, 155, 179, 212, 226, 265, 310, 358, 452, 530, 565, 620, 716, 895, 1060, 1130, 1643, 1790, 2260, 3286, 3503, 3580, 5549, 5989, 6572, 7006, 8215, 9487, 11098, 11978, 14012, 16430, 17515, 18974, 20227, 22196, 23956, 27745, 29945, 32860, 35030, 37948, 40454, 47435, 55490, 59890, 70060, 80908, 94870, 101135, 110980, 119780, 185659, 189740, 202270, 294097, 371318, 404540, 588194, 627037, 742636, 928295, 1072031, 1176388, 1254074, 1470485, 1856590, 2144062, 2508148, 2940970, 3135185, 3713180, 4288124, 5360155, 5881940, 6270370, 10720310, 12540740, 21440620, 33232961, 66465922, 132931844, 166164805, 332329610, 664659220]

約数ペア:

[(1, 664659220), (2, 332329610), (4, 166164805), (5, 132931844), (10, 66465922), (20, 33232961), (31, 21440620), (53, 12540740), (62, 10720310), (106, 6270370), (113, 5881940), (124, 5360155), (155, 4288124), (179, 3713180), (212, 3135185), (226, 2940970), (265, 2508148), (310, 2144062), (358, 1856590), (452, 1470485), (530, 1254074), (565, 1176388), (620, 1072031), (716, 928295), (895, 742636), (1060, 627037), (1130, 588194), (1643, 404540), (1790, 371318), (2260, 294097), (3286, 202270), (3503, 189740), (3580, 185659), (5549, 119780), (5989, 110980), (6572, 101135), (7006, 94870), (8215, 80908), (9487, 70060), (11098, 59890), (11978, 55490), (14012, 47435), (16430, 40454), (17515, 37948), (18974, 35030), (20227, 32860), (22196, 29945), (23956, 27745)]