389734170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:636

約数の個数: 128

約数和(自身を含む): 1114324992

約数和(自身を除く): 724590822

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 131, 155, 186, 210, 217, 262, 310, 393, 434, 457, 465, 651, 655, 786, 914, 917, 930, 1085, 1302, 1310, 1371, 1834, 1965, 2170, 2285, 2742, 2751, 3199, 3255, 3930, 4061, 4570, 4585, 5502, 6398, 6510, 6855, 8122, 9170, 9597, 12183, 13710, 13755, 14167, 15995, 19194, 20305, 24366, 27510, 28334, 28427, 31990, 40610, 42501, 47985, 56854, 59867, 60915, 70835, 85002, 85281, 95970, 99169, 119734, 121830, 141670, 142135, 170562, 179601, 198338, 212505, 284270, 297507, 299335, 359202, 419069, 425010, 426405, 495845, 595014, 598670, 838138, 852810, 898005, 991690, 1257207, 1487535, 1796010, 1855877, 2095345, 2514414, 2975070, 3711754, 4190690, 5567631, 6286035, 9279385, 11135262, 12572070, 12991139, 18558770, 25982278, 27838155, 38973417, 55676310, 64955695, 77946834, 129911390, 194867085, 389734170]

約数ペア:

[(1, 389734170), (2, 194867085), (3, 129911390), (5, 77946834), (6, 64955695), (7, 55676310), (10, 38973417), (14, 27838155), (15, 25982278), (21, 18558770), (30, 12991139), (31, 12572070), (35, 11135262), (42, 9279385), (62, 6286035), (70, 5567631), (93, 4190690), (105, 3711754), (131, 2975070), (155, 2514414), (186, 2095345), (210, 1855877), (217, 1796010), (262, 1487535), (310, 1257207), (393, 991690), (434, 898005), (457, 852810), (465, 838138), (651, 598670), (655, 595014), (786, 495845), (914, 426405), (917, 425010), (930, 419069), (1085, 359202), (1302, 299335), (1310, 297507), (1371, 284270), (1834, 212505), (1965, 198338), (2170, 179601), (2285, 170562), (2742, 142135), (2751, 141670), (3199, 121830), (3255, 119734), (3930, 99169), (4061, 95970), (4570, 85281), (4585, 85002), (5502, 70835), (6398, 60915), (6510, 59867), (6855, 56854), (8122, 47985), (9170, 42501), (9597, 40610), (12183, 31990), (13710, 28427), (13755, 28334), (14167, 27510), (15995, 24366), (19194, 20305)]