20177891300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{1627}}^1\times {\mathrm{2531}}^1$

素因数の和:4186

約数の個数: 108

約数和(自身を含む): 50986205424

約数和(自身を除く): 30808314124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 1627, 2450, 2531, 3254, 4900, 5062, 6508, 8135, 10124, 11389, 12655, 16270, 17717, 22778, 25310, 32540, 35434, 40675, 45556, 50620, 56945, 63275, 70868, 79723, 81350, 88585, 113890, 124019, 126550, 159446, 162700, 177170, 227780, 248038, 253100, 284725, 318892, 354340, 398615, 442925, 496076, 569450, 620095, 797230, 885850, 1138900, 1240190, 1594460, 1771700, 1993075, 2480380, 3100475, 3986150, 4117937, 6200950, 7972300, 8235874, 12401900, 16471748, 20589685, 28825559, 41179370, 57651118, 82358740, 102948425, 115302236, 144127795, 201778913, 205896850, 288255590, 403557826, 411793700, 576511180, 720638975, 807115652, 1008894565, 1441277950, 2017789130, 2882555900, 4035578260, 5044472825, 10088945650, 20177891300]

約数ペア:

[(1, 20177891300), (2, 10088945650), (4, 5044472825), (5, 4035578260), (7, 2882555900), (10, 2017789130), (14, 1441277950), (20, 1008894565), (25, 807115652), (28, 720638975), (35, 576511180), (49, 411793700), (50, 403557826), (70, 288255590), (98, 205896850), (100, 201778913), (140, 144127795), (175, 115302236), (196, 102948425), (245, 82358740), (350, 57651118), (490, 41179370), (700, 28825559), (980, 20589685), (1225, 16471748), (1627, 12401900), (2450, 8235874), (2531, 7972300), (3254, 6200950), (4900, 4117937), (5062, 3986150), (6508, 3100475), (8135, 2480380), (10124, 1993075), (11389, 1771700), (12655, 1594460), (16270, 1240190), (17717, 1138900), (22778, 885850), (25310, 797230), (32540, 620095), (35434, 569450), (40675, 496076), (45556, 442925), (50620, 398615), (56945, 354340), (63275, 318892), (70868, 284725), (79723, 253100), (81350, 248038), (88585, 227780), (113890, 177170), (124019, 162700), (126550, 159446)]