87705200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 120

約数和(自身を含む): 237651456

約数和(自身を除く): 149946256

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, 155, 176, 200, 220, 248, 275, 310, 341, 400, 440, 496, 550, 620, 643, 682, 775, 880, 1100, 1240, 1286, 1364, 1550, 1705, 2200, 2480, 2572, 2728, 3100, 3215, 3410, 4400, 5144, 5456, 6200, 6430, 6820, 7073, 8525, 10288, 12400, 12860, 13640, 14146, 16075, 17050, 19933, 25720, 27280, 28292, 32150, 34100, 35365, 39866, 51440, 56584, 64300, 68200, 70730, 79732, 99665, 113168, 128600, 136400, 141460, 159464, 176825, 199330, 219263, 257200, 282920, 318928, 353650, 398660, 438526, 498325, 565840, 707300, 797320, 877052, 996650, 1096315, 1414600, 1594640, 1754104, 1993300, 2192630, 2829200, 3508208, 3986600, 4385260, 5481575, 7973200, 8770520, 10963150, 17541040, 21926300, 43852600, 87705200]

約数ペア:

[(1, 87705200), (2, 43852600), (4, 21926300), (5, 17541040), (8, 10963150), (10, 8770520), (11, 7973200), (16, 5481575), (20, 4385260), (22, 3986600), (25, 3508208), (31, 2829200), (40, 2192630), (44, 1993300), (50, 1754104), (55, 1594640), (62, 1414600), (80, 1096315), (88, 996650), (100, 877052), (110, 797320), (124, 707300), (155, 565840), (176, 498325), (200, 438526), (220, 398660), (248, 353650), (275, 318928), (310, 282920), (341, 257200), (400, 219263), (440, 199330), (496, 176825), (550, 159464), (620, 141460), (643, 136400), (682, 128600), (775, 113168), (880, 99665), (1100, 79732), (1240, 70730), (1286, 68200), (1364, 64300), (1550, 56584), (1705, 51440), (2200, 39866), (2480, 35365), (2572, 34100), (2728, 32150), (3100, 28292), (3215, 27280), (3410, 25720), (4400, 19933), (5144, 17050), (5456, 16075), (6200, 14146), (6430, 13640), (6820, 12860), (7073, 12400), (8525, 10288)]