84638680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 230400000

約数和(自身を除く): 145761320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 199, 217, 245, 248, 280, 310, 343, 392, 398, 434, 490, 620, 686, 796, 868, 980, 995, 1085, 1240, 1372, 1393, 1519, 1592, 1715, 1736, 1960, 1990, 2170, 2744, 2786, 3038, 3430, 3980, 4340, 5572, 6076, 6169, 6860, 6965, 7595, 7960, 8680, 9751, 10633, 11144, 12152, 12338, 13720, 13930, 15190, 19502, 21266, 24676, 27860, 30380, 30845, 39004, 42532, 43183, 48755, 49352, 53165, 55720, 60760, 61690, 68257, 78008, 85064, 86366, 97510, 106330, 123380, 136514, 172732, 195020, 212660, 215915, 246760, 273028, 302281, 341285, 345464, 390040, 425320, 431830, 546056, 604562, 682570, 863660, 1209124, 1365140, 1511405, 1727320, 2115967, 2418248, 2730280, 3022810, 4231934, 6045620, 8463868, 10579835, 12091240, 16927736, 21159670, 42319340, 84638680]

約数ペア:

[(1, 84638680), (2, 42319340), (4, 21159670), (5, 16927736), (7, 12091240), (8, 10579835), (10, 8463868), (14, 6045620), (20, 4231934), (28, 3022810), (31, 2730280), (35, 2418248), (40, 2115967), (49, 1727320), (56, 1511405), (62, 1365140), (70, 1209124), (98, 863660), (124, 682570), (140, 604562), (155, 546056), (196, 431830), (199, 425320), (217, 390040), (245, 345464), (248, 341285), (280, 302281), (310, 273028), (343, 246760), (392, 215915), (398, 212660), (434, 195020), (490, 172732), (620, 136514), (686, 123380), (796, 106330), (868, 97510), (980, 86366), (995, 85064), (1085, 78008), (1240, 68257), (1372, 61690), (1393, 60760), (1519, 55720), (1592, 53165), (1715, 49352), (1736, 48755), (1960, 43183), (1990, 42532), (2170, 39004), (2744, 30845), (2786, 30380), (3038, 27860), (3430, 24676), (3980, 21266), (4340, 19502), (5572, 15190), (6076, 13930), (6169, 13720), (6860, 12338), (6965, 12152), (7595, 11144), (7960, 10633), (8680, 9751)]