890233500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:749

約数の個数: 192

約数和(自身を含む): 2835495936

約数和(自身を除く): 1945262436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 71, 75, 78, 100, 125, 130, 142, 150, 156, 195, 213, 250, 260, 284, 300, 325, 355, 375, 390, 426, 500, 643, 650, 710, 750, 780, 852, 923, 975, 1065, 1286, 1300, 1420, 1500, 1625, 1775, 1846, 1929, 1950, 2130, 2572, 2769, 3215, 3250, 3550, 3692, 3858, 3900, 4260, 4615, 4875, 5325, 5538, 6430, 6500, 7100, 7716, 8359, 8875, 9230, 9645, 9750, 10650, 11076, 12860, 13845, 16075, 16718, 17750, 18460, 19290, 19500, 21300, 23075, 25077, 26625, 27690, 32150, 33436, 35500, 38580, 41795, 45653, 46150, 48225, 50154, 53250, 55380, 64300, 69225, 80375, 83590, 91306, 92300, 96450, 100308, 106500, 115375, 125385, 136959, 138450, 160750, 167180, 182612, 192900, 208975, 228265, 230750, 241125, 250770, 273918, 276900, 321500, 346125, 417950, 456530, 461500, 482250, 501540, 547836, 593489, 626925, 684795, 692250, 835900, 913060, 964500, 1044875, 1141325, 1186978, 1253850, 1369590, 1384500, 1780467, 2089750, 2282650, 2373956, 2507700, 2739180, 2967445, 3134625, 3423975, 3560934, 4179500, 4565300, 5706625, 5934890, 6269250, 6847950, 7121868, 8902335, 11413250, 11869780, 12538500, 13695900, 14837225, 17119875, 17804670, 22826500, 29674450, 34239750, 35609340, 44511675, 59348900, 68479500, 74186125, 89023350, 148372250, 178046700, 222558375, 296744500, 445116750, 890233500]

約数ペア:

[(1, 890233500), (2, 445116750), (3, 296744500), (4, 222558375), (5, 178046700), (6, 148372250), (10, 89023350), (12, 74186125), (13, 68479500), (15, 59348900), (20, 44511675), (25, 35609340), (26, 34239750), (30, 29674450), (39, 22826500), (50, 17804670), (52, 17119875), (60, 14837225), (65, 13695900), (71, 12538500), (75, 11869780), (78, 11413250), (100, 8902335), (125, 7121868), (130, 6847950), (142, 6269250), (150, 5934890), (156, 5706625), (195, 4565300), (213, 4179500), (250, 3560934), (260, 3423975), (284, 3134625), (300, 2967445), (325, 2739180), (355, 2507700), (375, 2373956), (390, 2282650), (426, 2089750), (500, 1780467), (643, 1384500), (650, 1369590), (710, 1253850), (750, 1186978), (780, 1141325), (852, 1044875), (923, 964500), (975, 913060), (1065, 835900), (1286, 692250), (1300, 684795), (1420, 626925), (1500, 593489), (1625, 547836), (1775, 501540), (1846, 482250), (1929, 461500), (1950, 456530), (2130, 417950), (2572, 346125), (2769, 321500), (3215, 276900), (3250, 273918), (3550, 250770), (3692, 241125), (3858, 230750), (3900, 228265), (4260, 208975), (4615, 192900), (4875, 182612), (5325, 167180), (5538, 160750), (6430, 138450), (6500, 136959), (7100, 125385), (7716, 115375), (8359, 106500), (8875, 100308), (9230, 96450), (9645, 92300), (9750, 91306), (10650, 83590), (11076, 80375), (12860, 69225), (13845, 64300), (16075, 55380), (16718, 53250), (17750, 50154), (18460, 48225), (19290, 46150), (19500, 45653), (21300, 41795), (23075, 38580), (25077, 35500), (26625, 33436), (27690, 32150)]