836956840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:587

約数の個数: 96

約数和(自身を含む): 2005965000

約数和(自身を除く): 1169008160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 361, 380, 389, 596, 722, 745, 760, 778, 1192, 1444, 1490, 1556, 1805, 1945, 2831, 2888, 2980, 3112, 3610, 3890, 5662, 5960, 7220, 7391, 7780, 11324, 14155, 14440, 14782, 15560, 22648, 28310, 29564, 36955, 53789, 56620, 57961, 59128, 73910, 107578, 113240, 115922, 140429, 147820, 215156, 231844, 268945, 280858, 289805, 295640, 430312, 463688, 537890, 561716, 579610, 702145, 1075780, 1101259, 1123432, 1159220, 1404290, 2151560, 2202518, 2318440, 2808580, 4405036, 5506295, 5617160, 8810072, 11012590, 20923921, 22025180, 41847842, 44050360, 83695684, 104619605, 167391368, 209239210, 418478420, 836956840]

約数ペア:

[(1, 836956840), (2, 418478420), (4, 209239210), (5, 167391368), (8, 104619605), (10, 83695684), (19, 44050360), (20, 41847842), (38, 22025180), (40, 20923921), (76, 11012590), (95, 8810072), (149, 5617160), (152, 5506295), (190, 4405036), (298, 2808580), (361, 2318440), (380, 2202518), (389, 2151560), (596, 1404290), (722, 1159220), (745, 1123432), (760, 1101259), (778, 1075780), (1192, 702145), (1444, 579610), (1490, 561716), (1556, 537890), (1805, 463688), (1945, 430312), (2831, 295640), (2888, 289805), (2980, 280858), (3112, 268945), (3610, 231844), (3890, 215156), (5662, 147820), (5960, 140429), (7220, 115922), (7391, 113240), (7780, 107578), (11324, 73910), (14155, 59128), (14440, 57961), (14782, 56620), (15560, 53789), (22648, 36955), (28310, 29564)]