196859988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 571771200

約数和(自身を除く): 374911212

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 131, 156, 169, 171, 228, 234, 247, 262, 338, 342, 393, 468, 494, 507, 524, 676, 684, 741, 786, 988, 1014, 1179, 1482, 1521, 1572, 1703, 2028, 2197, 2223, 2358, 2489, 2964, 3042, 3211, 3406, 4394, 4446, 4716, 4978, 5109, 6084, 6422, 6591, 6812, 7467, 8788, 8892, 9633, 9956, 10218, 12844, 13182, 14934, 15327, 19266, 19773, 20436, 22139, 22401, 26364, 28899, 29868, 30654, 32357, 38532, 39546, 41743, 44278, 44802, 57798, 61308, 64714, 66417, 79092, 83486, 88556, 89604, 97071, 115596, 125229, 129428, 132834, 166972, 194142, 199251, 250458, 265668, 287807, 291213, 375687, 388284, 398502, 420641, 500916, 575614, 582426, 751374, 797004, 841282, 863421, 1151228, 1164852, 1261923, 1502748, 1682564, 1726842, 2523846, 2590263, 3453684, 3785769, 5047692, 5180526, 5468333, 7571538, 10361052, 10936666, 15143076, 16404999, 21873332, 32809998, 49214997, 65619996, 98429994, 196859988]

約数ペア:

[(1, 196859988), (2, 98429994), (3, 65619996), (4, 49214997), (6, 32809998), (9, 21873332), (12, 16404999), (13, 15143076), (18, 10936666), (19, 10361052), (26, 7571538), (36, 5468333), (38, 5180526), (39, 5047692), (52, 3785769), (57, 3453684), (76, 2590263), (78, 2523846), (114, 1726842), (117, 1682564), (131, 1502748), (156, 1261923), (169, 1164852), (171, 1151228), (228, 863421), (234, 841282), (247, 797004), (262, 751374), (338, 582426), (342, 575614), (393, 500916), (468, 420641), (494, 398502), (507, 388284), (524, 375687), (676, 291213), (684, 287807), (741, 265668), (786, 250458), (988, 199251), (1014, 194142), (1179, 166972), (1482, 132834), (1521, 129428), (1572, 125229), (1703, 115596), (2028, 97071), (2197, 89604), (2223, 88556), (2358, 83486), (2489, 79092), (2964, 66417), (3042, 64714), (3211, 61308), (3406, 57798), (4394, 44802), (4446, 44278), (4716, 41743), (4978, 39546), (5109, 38532), (6084, 32357), (6422, 30654), (6591, 29868), (6812, 28899), (7467, 26364), (8788, 22401), (8892, 22139), (9633, 20436), (9956, 19773), (10218, 19266), (12844, 15327), (13182, 14934)]