201979700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 474657120

約数和(自身を除く): 272677420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 251, 260, 325, 502, 619, 650, 1004, 1238, 1255, 1300, 2476, 2510, 3095, 3263, 5020, 6190, 6275, 6526, 8047, 12380, 12550, 13052, 15475, 16094, 16315, 25100, 30950, 32188, 32630, 40235, 61900, 65260, 80470, 81575, 155369, 160940, 163150, 201175, 310738, 326300, 402350, 621476, 776845, 804700, 1553690, 2019797, 3107380, 3884225, 4039594, 7768450, 8079188, 10098985, 15536900, 20197970, 40395940, 50494925, 100989850, 201979700]

約数ペア:

[(1, 201979700), (2, 100989850), (4, 50494925), (5, 40395940), (10, 20197970), (13, 15536900), (20, 10098985), (25, 8079188), (26, 7768450), (50, 4039594), (52, 3884225), (65, 3107380), (100, 2019797), (130, 1553690), (251, 804700), (260, 776845), (325, 621476), (502, 402350), (619, 326300), (650, 310738), (1004, 201175), (1238, 163150), (1255, 160940), (1300, 155369), (2476, 81575), (2510, 80470), (3095, 65260), (3263, 61900), (5020, 40235), (6190, 32630), (6275, 32188), (6526, 30950), (8047, 25100), (12380, 16315), (12550, 16094), (13052, 15475)]