210526890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:564

約数の個数: 128

約数和(自身を含む): 605601792

約数和(自身を除く): 395074902

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 73, 93, 105, 146, 155, 186, 210, 217, 219, 310, 365, 434, 438, 443, 465, 511, 651, 730, 886, 930, 1022, 1085, 1095, 1302, 1329, 1533, 2170, 2190, 2215, 2263, 2555, 2658, 3066, 3101, 3255, 4430, 4526, 5110, 6202, 6510, 6645, 6789, 7665, 9303, 11315, 13290, 13578, 13733, 15330, 15505, 15841, 18606, 22630, 27466, 31010, 31682, 32339, 33945, 41199, 46515, 47523, 64678, 67890, 68665, 79205, 82398, 93030, 95046, 96131, 97017, 137330, 158410, 161695, 192262, 194034, 205995, 226373, 237615, 288393, 323390, 411990, 452746, 475230, 480655, 485085, 576786, 679119, 961310, 970170, 1002509, 1131865, 1358238, 1441965, 2005018, 2263730, 2883930, 3007527, 3395595, 5012545, 6015054, 6791190, 7017563, 10025090, 14035126, 15037635, 21052689, 30075270, 35087815, 42105378, 70175630, 105263445, 210526890]

約数ペア:

[(1, 210526890), (2, 105263445), (3, 70175630), (5, 42105378), (6, 35087815), (7, 30075270), (10, 21052689), (14, 15037635), (15, 14035126), (21, 10025090), (30, 7017563), (31, 6791190), (35, 6015054), (42, 5012545), (62, 3395595), (70, 3007527), (73, 2883930), (93, 2263730), (105, 2005018), (146, 1441965), (155, 1358238), (186, 1131865), (210, 1002509), (217, 970170), (219, 961310), (310, 679119), (365, 576786), (434, 485085), (438, 480655), (443, 475230), (465, 452746), (511, 411990), (651, 323390), (730, 288393), (886, 237615), (930, 226373), (1022, 205995), (1085, 194034), (1095, 192262), (1302, 161695), (1329, 158410), (1533, 137330), (2170, 97017), (2190, 96131), (2215, 95046), (2263, 93030), (2555, 82398), (2658, 79205), (3066, 68665), (3101, 67890), (3255, 64678), (4430, 47523), (4526, 46515), (5110, 41199), (6202, 33945), (6510, 32339), (6645, 31682), (6789, 31010), (7665, 27466), (9303, 22630), (11315, 18606), (13290, 15841), (13578, 15505), (13733, 15330)]