74738786840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2398549}}^1$

素因数の和:2398620

約数の個数: 64

約数和(自身を含む): 181330380000

約数和(自身を除く): 106591593160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 7790, 15580, 31160, 2398549, 4797098, 9594196, 11992745, 19188392, 23985490, 45572431, 47970980, 91144862, 95941960, 98340509, 182289724, 196681018, 227862155, 364579448, 393362036, 455724310, 491702545, 786724072, 911448620, 983405090, 1822897240, 1868469671, 1966810180, 3736939342, 3933620360, 7473878684, 9342348355, 14947757368, 18684696710, 37369393420, 74738786840]

約数ペア:

[(1, 74738786840), (2, 37369393420), (4, 18684696710), (5, 14947757368), (8, 9342348355), (10, 7473878684), (19, 3933620360), (20, 3736939342), (38, 1966810180), (40, 1868469671), (41, 1822897240), (76, 983405090), (82, 911448620), (95, 786724072), (152, 491702545), (164, 455724310), (190, 393362036), (205, 364579448), (328, 227862155), (380, 196681018), (410, 182289724), (760, 98340509), (779, 95941960), (820, 91144862), (1558, 47970980), (1640, 45572431), (3116, 23985490), (3895, 19188392), (6232, 11992745), (7790, 9594196), (15580, 4797098), (31160, 2398549)]