239471440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12119}}^1$

素因数の和:12164

約数の個数: 80

約数和(自身を含む): 631209600

約数和(自身を除く): 391738160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 12119, 19760, 24238, 48476, 60595, 96952, 121190, 157547, 193904, 230261, 242380, 315094, 460522, 484760, 630188, 787735, 921044, 969520, 1151305, 1260376, 1575470, 1842088, 2302610, 2520752, 2993393, 3150940, 3684176, 4605220, 5986786, 6301880, 9210440, 11973572, 12603760, 14966965, 18420880, 23947144, 29933930, 47894288, 59867860, 119735720, 239471440]

約数ペア:

[(1, 239471440), (2, 119735720), (4, 59867860), (5, 47894288), (8, 29933930), (10, 23947144), (13, 18420880), (16, 14966965), (19, 12603760), (20, 11973572), (26, 9210440), (38, 6301880), (40, 5986786), (52, 4605220), (65, 3684176), (76, 3150940), (80, 2993393), (95, 2520752), (104, 2302610), (130, 1842088), (152, 1575470), (190, 1260376), (208, 1151305), (247, 969520), (260, 921044), (304, 787735), (380, 630188), (494, 484760), (520, 460522), (760, 315094), (988, 242380), (1040, 230261), (1235, 193904), (1520, 157547), (1976, 121190), (2470, 96952), (3952, 60595), (4940, 48476), (9880, 24238), (12119, 19760)]