138578440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3461}}^1$

素因数の和:3503

約数の個数: 128

約数和(自身を含む): 418763520

約数和(自身を除く): 280185080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3461, 3640, 4004, 5005, 5720, 6922, 8008, 10010, 13844, 17305, 20020, 24227, 27688, 34610, 38071, 40040, 44993, 48454, 69220, 76142, 89986, 96908, 121135, 138440, 152284, 179972, 190355, 193816, 224965, 242270, 266497, 304568, 314951, 359944, 380710, 449930, 484540, 494923, 532994, 629902, 761420, 899860, 969080, 989846, 1065988, 1259804, 1332485, 1522840, 1574755, 1799720, 1979692, 2131976, 2474615, 2519608, 2664970, 3149510, 3464461, 3959384, 4949230, 5329940, 6299020, 6928922, 9898460, 10659880, 12598040, 13857844, 17322305, 19796920, 27715688, 34644610, 69289220, 138578440]

約数ペア:

[(1, 138578440), (2, 69289220), (4, 34644610), (5, 27715688), (7, 19796920), (8, 17322305), (10, 13857844), (11, 12598040), (13, 10659880), (14, 9898460), (20, 6928922), (22, 6299020), (26, 5329940), (28, 4949230), (35, 3959384), (40, 3464461), (44, 3149510), (52, 2664970), (55, 2519608), (56, 2474615), (65, 2131976), (70, 1979692), (77, 1799720), (88, 1574755), (91, 1522840), (104, 1332485), (110, 1259804), (130, 1065988), (140, 989846), (143, 969080), (154, 899860), (182, 761420), (220, 629902), (260, 532994), (280, 494923), (286, 484540), (308, 449930), (364, 380710), (385, 359944), (440, 314951), (455, 304568), (520, 266497), (572, 242270), (616, 224965), (715, 193816), (728, 190355), (770, 179972), (910, 152284), (1001, 138440), (1144, 121135), (1430, 96908), (1540, 89986), (1820, 76142), (2002, 69220), (2860, 48454), (3080, 44993), (3461, 40040), (3640, 38071), (4004, 34610), (5005, 27688), (5720, 24227), (6922, 20020), (8008, 17305), (10010, 13844)]