71340800

素因数分解:

$2^8\times 5^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 108

約数和(自身を含む): 180207216

約数和(自身を除く): 108866416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 128, 142, 157, 160, 200, 256, 284, 314, 320, 355, 400, 568, 628, 640, 710, 785, 800, 1136, 1256, 1280, 1420, 1570, 1600, 1775, 2272, 2512, 2840, 3140, 3200, 3550, 3925, 4544, 5024, 5680, 6280, 6400, 7100, 7850, 9088, 10048, 11147, 11360, 12560, 14200, 15700, 18176, 20096, 22294, 22720, 25120, 28400, 31400, 40192, 44588, 45440, 50240, 55735, 56800, 62800, 89176, 90880, 100480, 111470, 113600, 125600, 178352, 200960, 222940, 227200, 251200, 278675, 356704, 445880, 454400, 502400, 557350, 713408, 891760, 1004800, 1114700, 1426816, 1783520, 2229400, 2853632, 3567040, 4458800, 7134080, 8917600, 14268160, 17835200, 35670400, 71340800]

約数ペア:

[(1, 71340800), (2, 35670400), (4, 17835200), (5, 14268160), (8, 8917600), (10, 7134080), (16, 4458800), (20, 3567040), (25, 2853632), (32, 2229400), (40, 1783520), (50, 1426816), (64, 1114700), (71, 1004800), (80, 891760), (100, 713408), (128, 557350), (142, 502400), (157, 454400), (160, 445880), (200, 356704), (256, 278675), (284, 251200), (314, 227200), (320, 222940), (355, 200960), (400, 178352), (568, 125600), (628, 113600), (640, 111470), (710, 100480), (785, 90880), (800, 89176), (1136, 62800), (1256, 56800), (1280, 55735), (1420, 50240), (1570, 45440), (1600, 44588), (1775, 40192), (2272, 31400), (2512, 28400), (2840, 25120), (3140, 22720), (3200, 22294), (3550, 20096), (3925, 18176), (4544, 15700), (5024, 14200), (5680, 12560), (6280, 11360), (6400, 11147), (7100, 10048), (7850, 9088)]