77661220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:701

約数の個数: 96

約数和(自身を含む): 203890176

約数和(自身を除く): 126228956

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 140, 142, 182, 260, 284, 355, 364, 455, 497, 601, 710, 910, 923, 994, 1202, 1420, 1820, 1846, 1988, 2404, 2485, 3005, 3692, 4207, 4615, 4970, 6010, 6461, 7813, 8414, 9230, 9940, 12020, 12922, 15626, 16828, 18460, 21035, 25844, 31252, 32305, 39065, 42070, 42671, 54691, 64610, 78130, 84140, 85342, 109382, 129220, 156260, 170684, 213355, 218764, 273455, 298697, 426710, 546910, 554723, 597394, 853420, 1093820, 1109446, 1194788, 1493485, 2218892, 2773615, 2986970, 3883061, 5547230, 5973940, 7766122, 11094460, 15532244, 19415305, 38830610, 77661220]

約数ペア:

[(1, 77661220), (2, 38830610), (4, 19415305), (5, 15532244), (7, 11094460), (10, 7766122), (13, 5973940), (14, 5547230), (20, 3883061), (26, 2986970), (28, 2773615), (35, 2218892), (52, 1493485), (65, 1194788), (70, 1109446), (71, 1093820), (91, 853420), (130, 597394), (140, 554723), (142, 546910), (182, 426710), (260, 298697), (284, 273455), (355, 218764), (364, 213355), (455, 170684), (497, 156260), (601, 129220), (710, 109382), (910, 85342), (923, 84140), (994, 78130), (1202, 64610), (1420, 54691), (1820, 42671), (1846, 42070), (1988, 39065), (2404, 32305), (2485, 31252), (3005, 25844), (3692, 21035), (4207, 18460), (4615, 16828), (4970, 15626), (6010, 12922), (6461, 12020), (7813, 9940), (8414, 9230)]