198517660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 472614912

約数和(自身を除く): 274097252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 73, 94, 110, 146, 188, 220, 235, 263, 292, 365, 470, 517, 526, 730, 803, 940, 1034, 1052, 1315, 1460, 1606, 2068, 2585, 2630, 2893, 3212, 3431, 4015, 5170, 5260, 5786, 6862, 8030, 10340, 11572, 12361, 13724, 14465, 16060, 17155, 19199, 24722, 28930, 34310, 37741, 38398, 49444, 57860, 61805, 68620, 75482, 76796, 95995, 123610, 135971, 150964, 188705, 191990, 211189, 247220, 271942, 377410, 383980, 422378, 543884, 679855, 754820, 844756, 902353, 1055945, 1359710, 1804706, 2111890, 2719420, 3609412, 4223780, 4511765, 9023530, 9925883, 18047060, 19851766, 39703532, 49629415, 99258830, 198517660]

約数ペア:

[(1, 198517660), (2, 99258830), (4, 49629415), (5, 39703532), (10, 19851766), (11, 18047060), (20, 9925883), (22, 9023530), (44, 4511765), (47, 4223780), (55, 3609412), (73, 2719420), (94, 2111890), (110, 1804706), (146, 1359710), (188, 1055945), (220, 902353), (235, 844756), (263, 754820), (292, 679855), (365, 543884), (470, 422378), (517, 383980), (526, 377410), (730, 271942), (803, 247220), (940, 211189), (1034, 191990), (1052, 188705), (1315, 150964), (1460, 135971), (1606, 123610), (2068, 95995), (2585, 76796), (2630, 75482), (2893, 68620), (3212, 61805), (3431, 57860), (4015, 49444), (5170, 38398), (5260, 37741), (5786, 34310), (6862, 28930), (8030, 24722), (10340, 19199), (11572, 17155), (12361, 16060), (13724, 14465)]