278903812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 587059200

約数和(自身を除く): 308155388

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 79, 82, 103, 158, 164, 206, 209, 316, 412, 418, 451, 779, 836, 869, 902, 1133, 1501, 1558, 1738, 1804, 1957, 2266, 3002, 3116, 3239, 3476, 3914, 4223, 4532, 6004, 6478, 7828, 8137, 8446, 8569, 12956, 16274, 16511, 16892, 17138, 21527, 32548, 33022, 34276, 35629, 43054, 46453, 61541, 66044, 71258, 80237, 86108, 89507, 92906, 123082, 142516, 154603, 160474, 179014, 185812, 246164, 309206, 320948, 333617, 358028, 618412, 667234, 676951, 882607, 1334468, 1353902, 1700633, 1765214, 2707804, 3401266, 3530428, 3669787, 6338723, 6802532, 7339574, 12677446, 14679148, 25354892, 69725953, 139451906, 278903812]

約数ペア:

[(1, 278903812), (2, 139451906), (4, 69725953), (11, 25354892), (19, 14679148), (22, 12677446), (38, 7339574), (41, 6802532), (44, 6338723), (76, 3669787), (79, 3530428), (82, 3401266), (103, 2707804), (158, 1765214), (164, 1700633), (206, 1353902), (209, 1334468), (316, 882607), (412, 676951), (418, 667234), (451, 618412), (779, 358028), (836, 333617), (869, 320948), (902, 309206), (1133, 246164), (1501, 185812), (1558, 179014), (1738, 160474), (1804, 154603), (1957, 142516), (2266, 123082), (3002, 92906), (3116, 89507), (3239, 86108), (3476, 80237), (3914, 71258), (4223, 66044), (4532, 61541), (6004, 46453), (6478, 43054), (7828, 35629), (8137, 34276), (8446, 33022), (8569, 32548), (12956, 21527), (16274, 17138), (16511, 16892)]