2154372290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{983}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 4488929280

約数和(自身を除く): 2334556990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 239, 262, 478, 655, 917, 983, 1195, 1310, 1673, 1834, 1966, 2390, 3346, 4585, 4915, 6881, 8365, 9170, 9830, 13762, 16730, 31309, 34405, 62618, 68810, 128773, 156545, 219163, 234937, 257546, 313090, 438326, 469874, 643865, 901411, 1095815, 1174685, 1287730, 1644559, 1802822, 2191630, 2349370, 3289118, 4507055, 8222795, 9014110, 16445590, 30776747, 61553494, 153883735, 215437229, 307767470, 430874458, 1077186145, 2154372290]

約数ペア:

[(1, 2154372290), (2, 1077186145), (5, 430874458), (7, 307767470), (10, 215437229), (14, 153883735), (35, 61553494), (70, 30776747), (131, 16445590), (239, 9014110), (262, 8222795), (478, 4507055), (655, 3289118), (917, 2349370), (983, 2191630), (1195, 1802822), (1310, 1644559), (1673, 1287730), (1834, 1174685), (1966, 1095815), (2390, 901411), (3346, 643865), (4585, 469874), (4915, 438326), (6881, 313090), (8365, 257546), (9170, 234937), (9830, 219163), (13762, 156545), (16730, 128773), (31309, 68810), (34405, 62618)]