71780500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 96

約数和(自身を含む): 176956416

約数和(自身を除く): 105175916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 125, 155, 220, 250, 275, 310, 341, 421, 500, 550, 620, 682, 775, 842, 1100, 1364, 1375, 1550, 1684, 1705, 2105, 2750, 3100, 3410, 3875, 4210, 4631, 5500, 6820, 7750, 8420, 8525, 9262, 10525, 13051, 15500, 17050, 18524, 21050, 23155, 26102, 34100, 42100, 42625, 46310, 52204, 52625, 65255, 85250, 92620, 105250, 115775, 130510, 143561, 170500, 210500, 231550, 261020, 287122, 326275, 463100, 574244, 578875, 652550, 717805, 1157750, 1305100, 1435610, 1631375, 2315500, 2871220, 3262750, 3589025, 6525500, 7178050, 14356100, 17945125, 35890250, 71780500]

約数ペア:

[(1, 71780500), (2, 35890250), (4, 17945125), (5, 14356100), (10, 7178050), (11, 6525500), (20, 3589025), (22, 3262750), (25, 2871220), (31, 2315500), (44, 1631375), (50, 1435610), (55, 1305100), (62, 1157750), (100, 717805), (110, 652550), (124, 578875), (125, 574244), (155, 463100), (220, 326275), (250, 287122), (275, 261020), (310, 231550), (341, 210500), (421, 170500), (500, 143561), (550, 130510), (620, 115775), (682, 105250), (775, 92620), (842, 85250), (1100, 65255), (1364, 52625), (1375, 52204), (1550, 46310), (1684, 42625), (1705, 42100), (2105, 34100), (2750, 26102), (3100, 23155), (3410, 21050), (3875, 18524), (4210, 17050), (4631, 15500), (5500, 13051), (6820, 10525), (7750, 9262), (8420, 8525)]