851524900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:734

約数の個数: 144

約数和(自身を含む): 2112989760

約数和(自身を除く): 1261464860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 41, 50, 68, 76, 82, 85, 95, 100, 164, 170, 190, 205, 323, 340, 380, 410, 425, 475, 643, 646, 697, 779, 820, 850, 950, 1025, 1286, 1292, 1394, 1558, 1615, 1700, 1900, 2050, 2572, 2788, 3116, 3215, 3230, 3485, 3895, 4100, 6430, 6460, 6970, 7790, 8075, 10931, 12217, 12860, 13243, 13940, 15580, 16075, 16150, 17425, 19475, 21862, 24434, 26363, 26486, 32150, 32300, 34850, 38950, 43724, 48868, 52726, 52972, 54655, 61085, 64300, 66215, 69700, 77900, 105452, 109310, 122170, 131815, 132430, 207689, 218620, 244340, 263630, 264860, 273275, 305425, 331075, 415378, 448171, 500897, 527260, 546550, 610850, 659075, 662150, 830756, 896342, 1001794, 1038445, 1093100, 1221700, 1318150, 1324300, 1792684, 2003588, 2076890, 2240855, 2504485, 2636300, 4153780, 4481710, 5008970, 5192225, 8515249, 8963420, 10017940, 10384450, 11204275, 12522425, 17030498, 20768900, 22408550, 25044850, 34060996, 42576245, 44817100, 50089700, 85152490, 170304980, 212881225, 425762450, 851524900]

約数ペア:

[(1, 851524900), (2, 425762450), (4, 212881225), (5, 170304980), (10, 85152490), (17, 50089700), (19, 44817100), (20, 42576245), (25, 34060996), (34, 25044850), (38, 22408550), (41, 20768900), (50, 17030498), (68, 12522425), (76, 11204275), (82, 10384450), (85, 10017940), (95, 8963420), (100, 8515249), (164, 5192225), (170, 5008970), (190, 4481710), (205, 4153780), (323, 2636300), (340, 2504485), (380, 2240855), (410, 2076890), (425, 2003588), (475, 1792684), (643, 1324300), (646, 1318150), (697, 1221700), (779, 1093100), (820, 1038445), (850, 1001794), (950, 896342), (1025, 830756), (1286, 662150), (1292, 659075), (1394, 610850), (1558, 546550), (1615, 527260), (1700, 500897), (1900, 448171), (2050, 415378), (2572, 331075), (2788, 305425), (3116, 273275), (3215, 264860), (3230, 263630), (3485, 244340), (3895, 218620), (4100, 207689), (6430, 132430), (6460, 131815), (6970, 122170), (7790, 109310), (8075, 105452), (10931, 77900), (12217, 69700), (12860, 66215), (13243, 64300), (13940, 61085), (15580, 54655), (16075, 52972), (16150, 52726), (17425, 48868), (19475, 43724), (21862, 38950), (24434, 34850), (26363, 32300), (26486, 32150)]