20171129980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{2833}}^1$

素因数の和:3359

約数の個数: 96

約数和(自身を含む): 45792452160

約数和(自身を除く): 25621322180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 457, 779, 820, 914, 1558, 1828, 2285, 2833, 3116, 3895, 4570, 5666, 7790, 8683, 9140, 11332, 14165, 15580, 17366, 18737, 28330, 34732, 37474, 43415, 53827, 56660, 74948, 86830, 93685, 107654, 116153, 173660, 187370, 215308, 232306, 269135, 356003, 374740, 464612, 538270, 580765, 712006, 1076540, 1161530, 1294681, 1424012, 1780015, 2206907, 2323060, 2589362, 3560030, 4413814, 5178724, 6473405, 7120060, 8827628, 11034535, 12946810, 22069070, 24598939, 25893620, 44138140, 49197878, 53081921, 98395756, 106163842, 122994695, 212327684, 245989390, 265409605, 491978780, 530819210, 1008556499, 1061638420, 2017112998, 4034225996, 5042782495, 10085564990, 20171129980]

約数ペア:

[(1, 20171129980), (2, 10085564990), (4, 5042782495), (5, 4034225996), (10, 2017112998), (19, 1061638420), (20, 1008556499), (38, 530819210), (41, 491978780), (76, 265409605), (82, 245989390), (95, 212327684), (164, 122994695), (190, 106163842), (205, 98395756), (380, 53081921), (410, 49197878), (457, 44138140), (779, 25893620), (820, 24598939), (914, 22069070), (1558, 12946810), (1828, 11034535), (2285, 8827628), (2833, 7120060), (3116, 6473405), (3895, 5178724), (4570, 4413814), (5666, 3560030), (7790, 2589362), (8683, 2323060), (9140, 2206907), (11332, 1780015), (14165, 1424012), (15580, 1294681), (17366, 1161530), (18737, 1076540), (28330, 712006), (34732, 580765), (37474, 538270), (43415, 464612), (53827, 374740), (56660, 356003), (74948, 269135), (86830, 232306), (93685, 215308), (107654, 187370), (116153, 173660)]