4487200

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 11249280

約数和(自身を除く): 6762080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 79, 80, 100, 142, 158, 160, 200, 284, 316, 355, 395, 400, 568, 632, 710, 790, 800, 1136, 1264, 1420, 1580, 1775, 1975, 2272, 2528, 2840, 3160, 3550, 3950, 5609, 5680, 6320, 7100, 7900, 11218, 11360, 12640, 14200, 15800, 22436, 28045, 28400, 31600, 44872, 56090, 56800, 63200, 89744, 112180, 140225, 179488, 224360, 280450, 448720, 560900, 897440, 1121800, 2243600, 4487200]

約数ペア:

[(1, 4487200), (2, 2243600), (4, 1121800), (5, 897440), (8, 560900), (10, 448720), (16, 280450), (20, 224360), (25, 179488), (32, 140225), (40, 112180), (50, 89744), (71, 63200), (79, 56800), (80, 56090), (100, 44872), (142, 31600), (158, 28400), (160, 28045), (200, 22436), (284, 15800), (316, 14200), (355, 12640), (395, 11360), (400, 11218), (568, 7900), (632, 7100), (710, 6320), (790, 5680), (800, 5609), (1136, 3950), (1264, 3550), (1420, 3160), (1580, 2840), (1775, 2528), (1975, 2272)]