170987320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19699}}^1$

素因数の和:19748

約数の個数: 64

約数和(自身を含む): 453888000

約数和(自身を除く): 282900680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 19699, 39398, 78796, 98495, 137893, 157592, 196990, 275786, 393980, 551572, 610669, 689465, 787960, 1103144, 1221338, 1378930, 2442676, 2757860, 3053345, 4274683, 4885352, 5515720, 6106690, 8549366, 12213380, 17098732, 21373415, 24426760, 34197464, 42746830, 85493660, 170987320]

約数ペア:

[(1, 170987320), (2, 85493660), (4, 42746830), (5, 34197464), (7, 24426760), (8, 21373415), (10, 17098732), (14, 12213380), (20, 8549366), (28, 6106690), (31, 5515720), (35, 4885352), (40, 4274683), (56, 3053345), (62, 2757860), (70, 2442676), (124, 1378930), (140, 1221338), (155, 1103144), (217, 787960), (248, 689465), (280, 610669), (310, 551572), (434, 393980), (620, 275786), (868, 196990), (1085, 157592), (1240, 137893), (1736, 98495), (2170, 78796), (4340, 39398), (8680, 19699)]