126882440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 292950000

約数和(自身を除く): 166067560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 149, 244, 298, 305, 349, 488, 596, 610, 698, 745, 1192, 1220, 1396, 1490, 1745, 2440, 2792, 2980, 3490, 5960, 6980, 9089, 13960, 18178, 21289, 36356, 42578, 45445, 52001, 72712, 85156, 90890, 104002, 106445, 170312, 181780, 208004, 212890, 260005, 363560, 416008, 425780, 520010, 851560, 1040020, 2080040, 3172061, 6344122, 12688244, 15860305, 25376488, 31720610, 63441220, 126882440]

約数ペア:

[(1, 126882440), (2, 63441220), (4, 31720610), (5, 25376488), (8, 15860305), (10, 12688244), (20, 6344122), (40, 3172061), (61, 2080040), (122, 1040020), (149, 851560), (244, 520010), (298, 425780), (305, 416008), (349, 363560), (488, 260005), (596, 212890), (610, 208004), (698, 181780), (745, 170312), (1192, 106445), (1220, 104002), (1396, 90890), (1490, 85156), (1745, 72712), (2440, 52001), (2792, 45445), (2980, 42578), (3490, 36356), (5960, 21289), (6980, 18178), (9089, 13960)]