2220220000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3642

約数の個数: 120

約数和(自身を含む): 5639844672

約数和(自身を除く): 3419624672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 400, 496, 500, 620, 625, 775, 800, 992, 1000, 1240, 1250, 1550, 2000, 2480, 2500, 3100, 3581, 3875, 4000, 4960, 5000, 6200, 7162, 7750, 10000, 12400, 14324, 15500, 17905, 19375, 20000, 24800, 28648, 31000, 35810, 38750, 57296, 62000, 71620, 77500, 89525, 111011, 114592, 124000, 143240, 155000, 179050, 222022, 286480, 310000, 358100, 444044, 447625, 555055, 572960, 620000, 716200, 888088, 895250, 1110110, 1432400, 1776176, 1790500, 2220220, 2238125, 2775275, 2864800, 3552352, 3581000, 4440440, 4476250, 5550550, 7162000, 8880880, 8952500, 11101100, 13876375, 14324000, 17761760, 17905000, 22202200, 27752750, 35810000, 44404400, 55505500, 69381875, 71620000, 88808800, 111011000, 138763750, 222022000, 277527500, 444044000, 555055000, 1110110000, 2220220000]

約数ペア:

[(1, 2220220000), (2, 1110110000), (4, 555055000), (5, 444044000), (8, 277527500), (10, 222022000), (16, 138763750), (20, 111011000), (25, 88808800), (31, 71620000), (32, 69381875), (40, 55505500), (50, 44404400), (62, 35810000), (80, 27752750), (100, 22202200), (124, 17905000), (125, 17761760), (155, 14324000), (160, 13876375), (200, 11101100), (248, 8952500), (250, 8880880), (310, 7162000), (400, 5550550), (496, 4476250), (500, 4440440), (620, 3581000), (625, 3552352), (775, 2864800), (800, 2775275), (992, 2238125), (1000, 2220220), (1240, 1790500), (1250, 1776176), (1550, 1432400), (2000, 1110110), (2480, 895250), (2500, 888088), (3100, 716200), (3581, 620000), (3875, 572960), (4000, 555055), (4960, 447625), (5000, 444044), (6200, 358100), (7162, 310000), (7750, 286480), (10000, 222022), (12400, 179050), (14324, 155000), (15500, 143240), (17905, 124000), (19375, 114592), (20000, 111011), (24800, 89525), (28648, 77500), (31000, 71620), (35810, 62000), (38750, 57296)]