738638680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{74761}}^1$

素因数の和:74804

約数の個数: 64

約数和(自身を含む): 1884002400

約数和(自身を除く): 1145363720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 74761, 149522, 299044, 373805, 598088, 747610, 971893, 1420459, 1495220, 1943786, 2840918, 2990440, 3887572, 4859465, 5681836, 7102295, 7775144, 9718930, 11363672, 14204590, 18465967, 19437860, 28409180, 36931934, 38875720, 56818360, 73863868, 92329835, 147727736, 184659670, 369319340, 738638680]

約数ペア:

[(1, 738638680), (2, 369319340), (4, 184659670), (5, 147727736), (8, 92329835), (10, 73863868), (13, 56818360), (19, 38875720), (20, 36931934), (26, 28409180), (38, 19437860), (40, 18465967), (52, 14204590), (65, 11363672), (76, 9718930), (95, 7775144), (104, 7102295), (130, 5681836), (152, 4859465), (190, 3887572), (247, 2990440), (260, 2840918), (380, 1943786), (494, 1495220), (520, 1420459), (760, 971893), (988, 747610), (1235, 598088), (1976, 373805), (2470, 299044), (4940, 149522), (9880, 74761)]