287122000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 160

約数和(自身を含む): 783664128

約数和(自身を除く): 496542128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 125, 155, 176, 200, 220, 248, 250, 275, 310, 341, 400, 421, 440, 496, 500, 550, 620, 682, 775, 842, 880, 1000, 1100, 1240, 1364, 1375, 1550, 1684, 1705, 2000, 2105, 2200, 2480, 2728, 2750, 3100, 3368, 3410, 3875, 4210, 4400, 4631, 5456, 5500, 6200, 6736, 6820, 7750, 8420, 8525, 9262, 10525, 11000, 12400, 13051, 13640, 15500, 16840, 17050, 18524, 21050, 22000, 23155, 26102, 27280, 31000, 33680, 34100, 37048, 42100, 42625, 46310, 52204, 52625, 62000, 65255, 68200, 74096, 84200, 85250, 92620, 104408, 105250, 115775, 130510, 136400, 143561, 168400, 170500, 185240, 208816, 210500, 231550, 261020, 287122, 326275, 341000, 370480, 421000, 463100, 522040, 574244, 578875, 652550, 682000, 717805, 842000, 926200, 1044080, 1148488, 1157750, 1305100, 1435610, 1631375, 1852400, 2296976, 2315500, 2610200, 2871220, 3262750, 3589025, 4631000, 5220400, 5742440, 6525500, 7178050, 9262000, 11484880, 13051000, 14356100, 17945125, 26102000, 28712200, 35890250, 57424400, 71780500, 143561000, 287122000]

約数ペア:

[(1, 287122000), (2, 143561000), (4, 71780500), (5, 57424400), (8, 35890250), (10, 28712200), (11, 26102000), (16, 17945125), (20, 14356100), (22, 13051000), (25, 11484880), (31, 9262000), (40, 7178050), (44, 6525500), (50, 5742440), (55, 5220400), (62, 4631000), (80, 3589025), (88, 3262750), (100, 2871220), (110, 2610200), (124, 2315500), (125, 2296976), (155, 1852400), (176, 1631375), (200, 1435610), (220, 1305100), (248, 1157750), (250, 1148488), (275, 1044080), (310, 926200), (341, 842000), (400, 717805), (421, 682000), (440, 652550), (496, 578875), (500, 574244), (550, 522040), (620, 463100), (682, 421000), (775, 370480), (842, 341000), (880, 326275), (1000, 287122), (1100, 261020), (1240, 231550), (1364, 210500), (1375, 208816), (1550, 185240), (1684, 170500), (1705, 168400), (2000, 143561), (2105, 136400), (2200, 130510), (2480, 115775), (2728, 105250), (2750, 104408), (3100, 92620), (3368, 85250), (3410, 84200), (3875, 74096), (4210, 68200), (4400, 65255), (4631, 62000), (5456, 52625), (5500, 52204), (6200, 46310), (6736, 42625), (6820, 42100), (7750, 37048), (8420, 34100), (8525, 33680), (9262, 31000), (10525, 27280), (11000, 26102), (12400, 23155), (13051, 22000), (13640, 21050), (15500, 18524), (16840, 17050)]