28464100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 108

約数和(自身を含む): 74263476

約数和(自身を除く): 45799376

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 140, 148, 157, 175, 185, 196, 245, 259, 314, 350, 370, 490, 518, 628, 700, 740, 785, 925, 980, 1036, 1099, 1225, 1295, 1570, 1813, 1850, 2198, 2450, 2590, 3140, 3626, 3700, 3925, 4396, 4900, 5180, 5495, 5809, 6475, 7252, 7693, 7850, 9065, 10990, 11618, 12950, 15386, 15700, 18130, 21980, 23236, 25900, 27475, 29045, 30772, 36260, 38465, 40663, 45325, 54950, 58090, 76930, 81326, 90650, 109900, 116180, 145225, 153860, 162652, 181300, 192325, 203315, 284641, 290450, 384650, 406630, 569282, 580900, 769300, 813260, 1016575, 1138564, 1423205, 2033150, 2846410, 4066300, 5692820, 7116025, 14232050, 28464100]

約数ペア:

[(1, 28464100), (2, 14232050), (4, 7116025), (5, 5692820), (7, 4066300), (10, 2846410), (14, 2033150), (20, 1423205), (25, 1138564), (28, 1016575), (35, 813260), (37, 769300), (49, 580900), (50, 569282), (70, 406630), (74, 384650), (98, 290450), (100, 284641), (140, 203315), (148, 192325), (157, 181300), (175, 162652), (185, 153860), (196, 145225), (245, 116180), (259, 109900), (314, 90650), (350, 81326), (370, 76930), (490, 58090), (518, 54950), (628, 45325), (700, 40663), (740, 38465), (785, 36260), (925, 30772), (980, 29045), (1036, 27475), (1099, 25900), (1225, 23236), (1295, 21980), (1570, 18130), (1813, 15700), (1850, 15386), (2198, 12950), (2450, 11618), (2590, 10990), (3140, 9065), (3626, 7850), (3700, 7693), (3925, 7252), (4396, 6475), (4900, 5809), (5180, 5495)]