308235280

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 736827840

約数和(自身を除く): 428592560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 139, 212, 265, 278, 424, 523, 530, 556, 695, 848, 1046, 1060, 1112, 1390, 2092, 2120, 2224, 2615, 2780, 4184, 4240, 5230, 5560, 7367, 8368, 10460, 11120, 14734, 20920, 27719, 29468, 36835, 41840, 55438, 58936, 72697, 73670, 110876, 117872, 138595, 145394, 147340, 221752, 277190, 290788, 294680, 363485, 443504, 554380, 581576, 589360, 726970, 1108760, 1163152, 1453940, 2217520, 2907880, 3852941, 5815760, 7705882, 15411764, 19264705, 30823528, 38529410, 61647056, 77058820, 154117640, 308235280]

約数ペア:

[(1, 308235280), (2, 154117640), (4, 77058820), (5, 61647056), (8, 38529410), (10, 30823528), (16, 19264705), (20, 15411764), (40, 7705882), (53, 5815760), (80, 3852941), (106, 2907880), (139, 2217520), (212, 1453940), (265, 1163152), (278, 1108760), (424, 726970), (523, 589360), (530, 581576), (556, 554380), (695, 443504), (848, 363485), (1046, 294680), (1060, 290788), (1112, 277190), (1390, 221752), (2092, 147340), (2120, 145394), (2224, 138595), (2615, 117872), (2780, 110876), (4184, 73670), (4240, 72697), (5230, 58936), (5560, 55438), (7367, 41840), (8368, 36835), (10460, 29468), (11120, 27719), (14734, 20920)]