205399740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37619}}^1$

素因数の和:37651

約数の個数: 96

約数和(自身を含む): 707857920

約数和(自身を除く): 502458180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 37619, 75238, 112857, 150476, 188095, 225714, 263333, 376190, 451428, 489047, 526666, 564285, 752380, 789999, 978094, 1053332, 1128570, 1316665, 1467141, 1579998, 1956188, 2257140, 2445235, 2633330, 2934282, 3159996, 3423329, 3949995, 4890470, 5266660, 5868564, 6846658, 7335705, 7899990, 9780940, 10269987, 13693316, 14671410, 15799980, 17116645, 20539974, 29342820, 34233290, 41079948, 51349935, 68466580, 102699870, 205399740]

約数ペア:

[(1, 205399740), (2, 102699870), (3, 68466580), (4, 51349935), (5, 41079948), (6, 34233290), (7, 29342820), (10, 20539974), (12, 17116645), (13, 15799980), (14, 14671410), (15, 13693316), (20, 10269987), (21, 9780940), (26, 7899990), (28, 7335705), (30, 6846658), (35, 5868564), (39, 5266660), (42, 4890470), (52, 3949995), (60, 3423329), (65, 3159996), (70, 2934282), (78, 2633330), (84, 2445235), (91, 2257140), (105, 1956188), (130, 1579998), (140, 1467141), (156, 1316665), (182, 1128570), (195, 1053332), (210, 978094), (260, 789999), (273, 752380), (364, 564285), (390, 526666), (420, 489047), (455, 451428), (546, 376190), (780, 263333), (910, 225714), (1092, 188095), (1365, 150476), (1820, 112857), (2730, 75238), (5460, 37619)]