178218950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 431329536

約数和(自身を除く): 253110586

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 25, 26, 35, 46, 50, 65, 70, 91, 115, 130, 131, 161, 169, 175, 182, 230, 262, 299, 322, 325, 338, 350, 455, 575, 598, 650, 655, 805, 845, 910, 917, 1150, 1183, 1310, 1495, 1610, 1690, 1703, 1834, 2093, 2275, 2366, 2990, 3013, 3275, 3406, 3887, 4025, 4186, 4225, 4550, 4585, 5915, 6026, 6550, 7475, 7774, 8050, 8450, 8515, 9170, 10465, 11830, 11921, 14950, 15065, 17030, 19435, 20930, 21091, 22139, 22925, 23842, 27209, 29575, 30130, 38870, 39169, 42182, 42575, 44278, 45850, 52325, 54418, 59150, 59605, 75325, 78338, 85150, 97175, 104650, 105455, 110695, 119210, 136045, 150650, 154973, 194350, 195845, 210910, 221390, 272090, 274183, 298025, 309946, 391690, 509197, 527275, 548366, 553475, 596050, 680225, 774865, 979225, 1018394, 1054550, 1106950, 1360450, 1370915, 1549730, 1958450, 2545985, 2741830, 3564379, 3874325, 5091970, 6854575, 7128758, 7748650, 12729925, 13709150, 17821895, 25459850, 35643790, 89109475, 178218950]

約数ペア:

[(1, 178218950), (2, 89109475), (5, 35643790), (7, 25459850), (10, 17821895), (13, 13709150), (14, 12729925), (23, 7748650), (25, 7128758), (26, 6854575), (35, 5091970), (46, 3874325), (50, 3564379), (65, 2741830), (70, 2545985), (91, 1958450), (115, 1549730), (130, 1370915), (131, 1360450), (161, 1106950), (169, 1054550), (175, 1018394), (182, 979225), (230, 774865), (262, 680225), (299, 596050), (322, 553475), (325, 548366), (338, 527275), (350, 509197), (455, 391690), (575, 309946), (598, 298025), (650, 274183), (655, 272090), (805, 221390), (845, 210910), (910, 195845), (917, 194350), (1150, 154973), (1183, 150650), (1310, 136045), (1495, 119210), (1610, 110695), (1690, 105455), (1703, 104650), (1834, 97175), (2093, 85150), (2275, 78338), (2366, 75325), (2990, 59605), (3013, 59150), (3275, 54418), (3406, 52325), (3887, 45850), (4025, 44278), (4186, 42575), (4225, 42182), (4550, 39169), (4585, 38870), (5915, 30130), (6026, 29575), (6550, 27209), (7475, 23842), (7774, 22925), (8050, 22139), (8450, 21091), (8515, 20930), (9170, 19435), (10465, 17030), (11830, 15065), (11921, 14950)]