842729420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5503}}^1$

素因数の和:5575

約数の個数: 96

約数和(自身を含む): 2071265280

約数和(自身を除く): 1228535860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 988, 1178, 1235, 1612, 2015, 2356, 2470, 2945, 4030, 4940, 5503, 5890, 7657, 8060, 11006, 11780, 15314, 22012, 27515, 30628, 38285, 55030, 71539, 76570, 104557, 110060, 143078, 153140, 170593, 209114, 286156, 341186, 357695, 418228, 522785, 682372, 715390, 852965, 1045570, 1359241, 1430780, 1705930, 2091140, 2217709, 2718482, 3241267, 3411860, 4435418, 5436964, 6482534, 6796205, 8870836, 11088545, 12965068, 13592410, 16206335, 22177090, 27184820, 32412670, 42136471, 44354180, 64825340, 84272942, 168545884, 210682355, 421364710, 842729420]

約数ペア:

[(1, 842729420), (2, 421364710), (4, 210682355), (5, 168545884), (10, 84272942), (13, 64825340), (19, 44354180), (20, 42136471), (26, 32412670), (31, 27184820), (38, 22177090), (52, 16206335), (62, 13592410), (65, 12965068), (76, 11088545), (95, 8870836), (124, 6796205), (130, 6482534), (155, 5436964), (190, 4435418), (247, 3411860), (260, 3241267), (310, 2718482), (380, 2217709), (403, 2091140), (494, 1705930), (589, 1430780), (620, 1359241), (806, 1045570), (988, 852965), (1178, 715390), (1235, 682372), (1612, 522785), (2015, 418228), (2356, 357695), (2470, 341186), (2945, 286156), (4030, 209114), (4940, 170593), (5503, 153140), (5890, 143078), (7657, 110060), (8060, 104557), (11006, 76570), (11780, 71539), (15314, 55030), (22012, 38285), (27515, 30628)]