775043440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13781}}^1$

素因数の和:13850

約数の個数: 80

約数和(自身を含む): 1948223520

約数和(自身を除く): 1173180080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 2812, 2960, 3515, 5624, 7030, 11248, 13781, 14060, 27562, 28120, 55124, 56240, 68905, 110248, 137810, 220496, 261839, 275620, 509897, 523678, 551240, 1019794, 1047356, 1102480, 1309195, 2039588, 2094712, 2549485, 2618390, 4079176, 4189424, 5098970, 5236780, 8158352, 9688043, 10197940, 10473560, 19376086, 20395880, 20947120, 38752172, 40791760, 48440215, 77504344, 96880430, 155008688, 193760860, 387521720, 775043440]

約数ペア:

[(1, 775043440), (2, 387521720), (4, 193760860), (5, 155008688), (8, 96880430), (10, 77504344), (16, 48440215), (19, 40791760), (20, 38752172), (37, 20947120), (38, 20395880), (40, 19376086), (74, 10473560), (76, 10197940), (80, 9688043), (95, 8158352), (148, 5236780), (152, 5098970), (185, 4189424), (190, 4079176), (296, 2618390), (304, 2549485), (370, 2094712), (380, 2039588), (592, 1309195), (703, 1102480), (740, 1047356), (760, 1019794), (1406, 551240), (1480, 523678), (1520, 509897), (2812, 275620), (2960, 261839), (3515, 220496), (5624, 137810), (7030, 110248), (11248, 68905), (13781, 56240), (14060, 55124), (27562, 28120)]