4815691900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{37889}}^1$

素因数の和:37975

約数の個数: 72

約数和(自身を含む): 11050542720

約数和(自身を除く): 6234850820

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 410, 620, 775, 820, 1025, 1271, 1550, 2050, 2542, 3100, 4100, 5084, 6355, 12710, 25420, 31775, 37889, 63550, 75778, 127100, 151556, 189445, 378890, 757780, 947225, 1174559, 1553449, 1894450, 2349118, 3106898, 3788900, 4698236, 5872795, 6213796, 7767245, 11745590, 15534490, 23491180, 29363975, 31068980, 38836225, 48156919, 58727950, 77672450, 96313838, 117455900, 155344900, 192627676, 240784595, 481569190, 963138380, 1203922975, 2407845950, 4815691900]

約数ペア:

[(1, 4815691900), (2, 2407845950), (4, 1203922975), (5, 963138380), (10, 481569190), (20, 240784595), (25, 192627676), (31, 155344900), (41, 117455900), (50, 96313838), (62, 77672450), (82, 58727950), (100, 48156919), (124, 38836225), (155, 31068980), (164, 29363975), (205, 23491180), (310, 15534490), (410, 11745590), (620, 7767245), (775, 6213796), (820, 5872795), (1025, 4698236), (1271, 3788900), (1550, 3106898), (2050, 2349118), (2542, 1894450), (3100, 1553449), (4100, 1174559), (5084, 947225), (6355, 757780), (12710, 378890), (25420, 189445), (31775, 151556), (37889, 127100), (63550, 75778)]