649733360

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{523}}^1$

素因数の和:882

約数の個数: 80

約数和(自身を含む): 1547338464

約数和(自身を除く): 897605104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 293, 424, 523, 530, 586, 848, 1046, 1060, 1172, 1465, 2092, 2120, 2344, 2615, 2930, 4184, 4240, 4688, 5230, 5860, 8368, 10460, 11720, 15529, 20920, 23440, 27719, 31058, 41840, 55438, 62116, 77645, 110876, 124232, 138595, 153239, 155290, 221752, 248464, 277190, 306478, 310580, 443504, 554380, 612956, 621160, 766195, 1108760, 1225912, 1242320, 1532390, 2217520, 2451824, 3064780, 6129560, 8121667, 12259120, 16243334, 32486668, 40608335, 64973336, 81216670, 129946672, 162433340, 324866680, 649733360]

約数ペア:

[(1, 649733360), (2, 324866680), (4, 162433340), (5, 129946672), (8, 81216670), (10, 64973336), (16, 40608335), (20, 32486668), (40, 16243334), (53, 12259120), (80, 8121667), (106, 6129560), (212, 3064780), (265, 2451824), (293, 2217520), (424, 1532390), (523, 1242320), (530, 1225912), (586, 1108760), (848, 766195), (1046, 621160), (1060, 612956), (1172, 554380), (1465, 443504), (2092, 310580), (2120, 306478), (2344, 277190), (2615, 248464), (2930, 221752), (4184, 155290), (4240, 153239), (4688, 138595), (5230, 124232), (5860, 110876), (8368, 77645), (10460, 62116), (11720, 55438), (15529, 41840), (20920, 31058), (23440, 27719)]