168366980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 400982400

約数和(自身を除く): 232615420

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 67, 68, 76, 85, 95, 134, 170, 190, 268, 323, 335, 340, 380, 389, 646, 670, 778, 1139, 1273, 1292, 1340, 1556, 1615, 1945, 2278, 2546, 3230, 3890, 4556, 5092, 5695, 6365, 6460, 6613, 7391, 7780, 11390, 12730, 13226, 14782, 21641, 22780, 25460, 26063, 26452, 29564, 33065, 36955, 43282, 52126, 66130, 73910, 86564, 104252, 108205, 125647, 130315, 132260, 147820, 216410, 251294, 260630, 432820, 443071, 495197, 502588, 521260, 628235, 886142, 990394, 1256470, 1772284, 1980788, 2215355, 2475985, 2512940, 4430710, 4951970, 8418349, 8861420, 9903940, 16836698, 33673396, 42091745, 84183490, 168366980]

約数ペア:

[(1, 168366980), (2, 84183490), (4, 42091745), (5, 33673396), (10, 16836698), (17, 9903940), (19, 8861420), (20, 8418349), (34, 4951970), (38, 4430710), (67, 2512940), (68, 2475985), (76, 2215355), (85, 1980788), (95, 1772284), (134, 1256470), (170, 990394), (190, 886142), (268, 628235), (323, 521260), (335, 502588), (340, 495197), (380, 443071), (389, 432820), (646, 260630), (670, 251294), (778, 216410), (1139, 147820), (1273, 132260), (1292, 130315), (1340, 125647), (1556, 108205), (1615, 104252), (1945, 86564), (2278, 73910), (2546, 66130), (3230, 52126), (3890, 43282), (4556, 36955), (5092, 33065), (5695, 29564), (6365, 26452), (6460, 26063), (6613, 25460), (7391, 22780), (7780, 21641), (11390, 14782), (12730, 13226)]