29376380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 69266400

約数和(自身を除く): 39890020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 199, 220, 242, 244, 305, 398, 484, 605, 610, 671, 796, 995, 1210, 1220, 1342, 1990, 2189, 2420, 2684, 3355, 3980, 4378, 6710, 7381, 8756, 10945, 12139, 13420, 14762, 21890, 24079, 24278, 29524, 36905, 43780, 48158, 48556, 60695, 73810, 96316, 120395, 121390, 133529, 147620, 240790, 242780, 267058, 481580, 534116, 667645, 1335290, 1468819, 2670580, 2937638, 5875276, 7344095, 14688190, 29376380]

約数ペア:

[(1, 29376380), (2, 14688190), (4, 7344095), (5, 5875276), (10, 2937638), (11, 2670580), (20, 1468819), (22, 1335290), (44, 667645), (55, 534116), (61, 481580), (110, 267058), (121, 242780), (122, 240790), (199, 147620), (220, 133529), (242, 121390), (244, 120395), (305, 96316), (398, 73810), (484, 60695), (605, 48556), (610, 48158), (671, 43780), (796, 36905), (995, 29524), (1210, 24278), (1220, 24079), (1342, 21890), (1990, 14762), (2189, 13420), (2420, 12139), (2684, 10945), (3355, 8756), (3980, 7381), (4378, 6710)]