400877190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{636313}}^1$

素因数の和:636333

約数の個数: 48

約数和(自身を含む): 1191179808

約数和(自身を除く): 790302618

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 636313, 1272626, 1908939, 3181565, 3817878, 4454191, 5726817, 6363130, 8908382, 9544695, 11453634, 13362573, 19089390, 22270955, 26725146, 28634085, 40087719, 44541910, 57268170, 66812865, 80175438, 133625730, 200438595, 400877190]

約数ペア:

[(1, 400877190), (2, 200438595), (3, 133625730), (5, 80175438), (6, 66812865), (7, 57268170), (9, 44541910), (10, 40087719), (14, 28634085), (15, 26725146), (18, 22270955), (21, 19089390), (30, 13362573), (35, 11453634), (42, 9544695), (45, 8908382), (63, 6363130), (70, 5726817), (90, 4454191), (105, 3817878), (126, 3181565), (210, 1908939), (315, 1272626), (630, 636313)]