385140

素因数分解:

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

素因数の和:157

約数の個数: 72

約数和(自身を含む): 1264032

約数和(自身を除く): 878892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 131, 140, 147, 196, 210, 245, 262, 294, 393, 420, 490, 524, 588, 655, 735, 786, 917, 980, 1310, 1470, 1572, 1834, 1965, 2620, 2751, 2940, 3668, 3930, 4585, 5502, 6419, 7860, 9170, 11004, 12838, 13755, 18340, 19257, 25676, 27510, 32095, 38514, 55020, 64190, 77028, 96285, 128380, 192570, 385140]

約数ペア:

[(1, 385140), (2, 192570), (3, 128380), (4, 96285), (5, 77028), (6, 64190), (7, 55020), (10, 38514), (12, 32095), (14, 27510), (15, 25676), (20, 19257), (21, 18340), (28, 13755), (30, 12838), (35, 11004), (42, 9170), (49, 7860), (60, 6419), (70, 5502), (84, 4585), (98, 3930), (105, 3668), (131, 2940), (140, 2751), (147, 2620), (196, 1965), (210, 1834), (245, 1572), (262, 1470), (294, 1310), (393, 980), (420, 917), (490, 786), (524, 735), (588, 655)]