197438120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 519904980

約数和(自身を除く): 322466860

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 113, 121, 152, 190, 209, 220, 226, 242, 361, 380, 418, 440, 452, 484, 565, 605, 722, 760, 836, 904, 968, 1045, 1130, 1210, 1243, 1444, 1672, 1805, 2090, 2147, 2260, 2299, 2420, 2486, 2888, 3610, 3971, 4180, 4294, 4520, 4598, 4840, 4972, 6215, 7220, 7942, 8360, 8588, 9196, 9944, 10735, 11495, 12430, 13673, 14440, 15884, 17176, 18392, 19855, 21470, 22990, 23617, 24860, 27346, 31768, 39710, 40793, 42940, 43681, 45980, 47234, 49720, 54692, 68365, 79420, 81586, 85880, 87362, 91960, 94468, 109384, 118085, 136730, 158840, 163172, 174724, 188936, 203965, 218405, 236170, 259787, 273460, 326344, 349448, 407930, 436810, 448723, 472340, 519574, 546920, 815860, 873620, 897446, 944680, 1039148, 1298935, 1631720, 1747240, 1794892, 2078296, 2243615, 2597870, 3589784, 4487230, 4935953, 5195740, 8974460, 9871906, 10391480, 17948920, 19743812, 24679765, 39487624, 49359530, 98719060, 197438120]

約数ペア:

[(1, 197438120), (2, 98719060), (4, 49359530), (5, 39487624), (8, 24679765), (10, 19743812), (11, 17948920), (19, 10391480), (20, 9871906), (22, 8974460), (38, 5195740), (40, 4935953), (44, 4487230), (55, 3589784), (76, 2597870), (88, 2243615), (95, 2078296), (110, 1794892), (113, 1747240), (121, 1631720), (152, 1298935), (190, 1039148), (209, 944680), (220, 897446), (226, 873620), (242, 815860), (361, 546920), (380, 519574), (418, 472340), (440, 448723), (452, 436810), (484, 407930), (565, 349448), (605, 326344), (722, 273460), (760, 259787), (836, 236170), (904, 218405), (968, 203965), (1045, 188936), (1130, 174724), (1210, 163172), (1243, 158840), (1444, 136730), (1672, 118085), (1805, 109384), (2090, 94468), (2147, 91960), (2260, 87362), (2299, 85880), (2420, 81586), (2486, 79420), (2888, 68365), (3610, 54692), (3971, 49720), (4180, 47234), (4294, 45980), (4520, 43681), (4598, 42940), (4840, 40793), (4972, 39710), (6215, 31768), (7220, 27346), (7942, 24860), (8360, 23617), (8588, 22990), (9196, 21470), (9944, 19855), (10735, 18392), (11495, 17176), (12430, 15884), (13673, 14440)]