258180400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:539

約数の個数: 120

約数和(自身を含む): 655386624

約数和(自身を除く): 397206224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 47, 50, 62, 80, 94, 100, 124, 155, 188, 200, 235, 248, 310, 376, 400, 443, 470, 496, 620, 752, 775, 886, 940, 1175, 1240, 1457, 1550, 1772, 1880, 2215, 2350, 2480, 2914, 3100, 3544, 3760, 4430, 4700, 5828, 6200, 7088, 7285, 8860, 9400, 11075, 11656, 12400, 13733, 14570, 17720, 18800, 20821, 22150, 23312, 27466, 29140, 35440, 36425, 41642, 44300, 54932, 58280, 68665, 72850, 83284, 88600, 104105, 109864, 116560, 137330, 145700, 166568, 177200, 208210, 219728, 274660, 291400, 333136, 343325, 416420, 520525, 549320, 582800, 645451, 686650, 832840, 1041050, 1098640, 1290902, 1373300, 1665680, 2082100, 2581804, 2746600, 3227255, 4164200, 5163608, 5493200, 6454510, 8328400, 10327216, 12909020, 16136275, 25818040, 32272550, 51636080, 64545100, 129090200, 258180400]

約数ペア:

[(1, 258180400), (2, 129090200), (4, 64545100), (5, 51636080), (8, 32272550), (10, 25818040), (16, 16136275), (20, 12909020), (25, 10327216), (31, 8328400), (40, 6454510), (47, 5493200), (50, 5163608), (62, 4164200), (80, 3227255), (94, 2746600), (100, 2581804), (124, 2082100), (155, 1665680), (188, 1373300), (200, 1290902), (235, 1098640), (248, 1041050), (310, 832840), (376, 686650), (400, 645451), (443, 582800), (470, 549320), (496, 520525), (620, 416420), (752, 343325), (775, 333136), (886, 291400), (940, 274660), (1175, 219728), (1240, 208210), (1457, 177200), (1550, 166568), (1772, 145700), (1880, 137330), (2215, 116560), (2350, 109864), (2480, 104105), (2914, 88600), (3100, 83284), (3544, 72850), (3760, 68665), (4430, 58280), (4700, 54932), (5828, 44300), (6200, 41642), (7088, 36425), (7285, 35440), (8860, 29140), (9400, 27466), (11075, 23312), (11656, 22150), (12400, 20821), (13733, 18800), (14570, 17720)]