215099080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24781}}^1$

素因数の和:24830

約数の個数: 64

約数和(自身を含む): 570977280

約数和(自身を除く): 355878200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 24781, 49562, 99124, 123905, 173467, 198248, 247810, 346934, 495620, 693868, 768211, 867335, 991240, 1387736, 1536422, 1734670, 3072844, 3469340, 3841055, 5377477, 6145688, 6938680, 7682110, 10754954, 15364220, 21509908, 26887385, 30728440, 43019816, 53774770, 107549540, 215099080]

約数ペア:

[(1, 215099080), (2, 107549540), (4, 53774770), (5, 43019816), (7, 30728440), (8, 26887385), (10, 21509908), (14, 15364220), (20, 10754954), (28, 7682110), (31, 6938680), (35, 6145688), (40, 5377477), (56, 3841055), (62, 3469340), (70, 3072844), (124, 1734670), (140, 1536422), (155, 1387736), (217, 991240), (248, 867335), (280, 768211), (310, 693868), (434, 495620), (620, 346934), (868, 247810), (1085, 198248), (1240, 173467), (1736, 123905), (2170, 99124), (4340, 49562), (8680, 24781)]