198746820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 624117312

約数和(自身を除く): 425370492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 83, 90, 106, 159, 166, 180, 212, 249, 251, 265, 318, 332, 415, 477, 498, 502, 530, 636, 747, 753, 795, 830, 954, 996, 1004, 1060, 1245, 1255, 1494, 1506, 1590, 1660, 1908, 2259, 2385, 2490, 2510, 2988, 3012, 3180, 3735, 3765, 4399, 4518, 4770, 4980, 5020, 7470, 7530, 8798, 9036, 9540, 11295, 13197, 13303, 14940, 15060, 17596, 20833, 21995, 22590, 26394, 26606, 39591, 39909, 41666, 43990, 45180, 52788, 53212, 62499, 65985, 66515, 79182, 79818, 83332, 87980, 104165, 119727, 124998, 131970, 133030, 158364, 159636, 187497, 197955, 199545, 208330, 239454, 249996, 263940, 266060, 312495, 374994, 395910, 399090, 416660, 478908, 598635, 624990, 749988, 791820, 798180, 937485, 1104149, 1197270, 1249980, 1874970, 2208298, 2394540, 3312447, 3749940, 4416596, 5520745, 6624894, 9937341, 11041490, 13249788, 16562235, 19874682, 22082980, 33124470, 39749364, 49686705, 66248940, 99373410, 198746820]

約数ペア:

[(1, 198746820), (2, 99373410), (3, 66248940), (4, 49686705), (5, 39749364), (6, 33124470), (9, 22082980), (10, 19874682), (12, 16562235), (15, 13249788), (18, 11041490), (20, 9937341), (30, 6624894), (36, 5520745), (45, 4416596), (53, 3749940), (60, 3312447), (83, 2394540), (90, 2208298), (106, 1874970), (159, 1249980), (166, 1197270), (180, 1104149), (212, 937485), (249, 798180), (251, 791820), (265, 749988), (318, 624990), (332, 598635), (415, 478908), (477, 416660), (498, 399090), (502, 395910), (530, 374994), (636, 312495), (747, 266060), (753, 263940), (795, 249996), (830, 239454), (954, 208330), (996, 199545), (1004, 197955), (1060, 187497), (1245, 159636), (1255, 158364), (1494, 133030), (1506, 131970), (1590, 124998), (1660, 119727), (1908, 104165), (2259, 87980), (2385, 83332), (2490, 79818), (2510, 79182), (2988, 66515), (3012, 65985), (3180, 62499), (3735, 53212), (3765, 52788), (4399, 45180), (4518, 43990), (4770, 41666), (4980, 39909), (5020, 39591), (7470, 26606), (7530, 26394), (8798, 22590), (9036, 21995), (9540, 20833), (11295, 17596), (13197, 15060), (13303, 14940)]