212287140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 698141808

約数和(自身を除く): 485854668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 257, 260, 353, 390, 468, 514, 585, 706, 771, 780, 1028, 1059, 1170, 1285, 1412, 1542, 1765, 2118, 2313, 2340, 2570, 3084, 3177, 3341, 3530, 3855, 4236, 4589, 4626, 5140, 5295, 6354, 6682, 7060, 7710, 9178, 9252, 10023, 10590, 11565, 12708, 13364, 13767, 15420, 15885, 16705, 18356, 20046, 21180, 22945, 23130, 27534, 30069, 31770, 33410, 40092, 41301, 45890, 46260, 50115, 55068, 60138, 63540, 66820, 68835, 82602, 90721, 91780, 100230, 120276, 137670, 150345, 165204, 181442, 200460, 206505, 272163, 275340, 300690, 362884, 413010, 453605, 544326, 601380, 816489, 826020, 907210, 1088652, 1179373, 1360815, 1632978, 1814420, 2358746, 2721630, 3265956, 3538119, 4082445, 4717492, 5443260, 5896865, 7076238, 8164890, 10614357, 11793730, 14152476, 16329780, 17690595, 21228714, 23587460, 35381190, 42457428, 53071785, 70762380, 106143570, 212287140]

約数ペア:

[(1, 212287140), (2, 106143570), (3, 70762380), (4, 53071785), (5, 42457428), (6, 35381190), (9, 23587460), (10, 21228714), (12, 17690595), (13, 16329780), (15, 14152476), (18, 11793730), (20, 10614357), (26, 8164890), (30, 7076238), (36, 5896865), (39, 5443260), (45, 4717492), (52, 4082445), (60, 3538119), (65, 3265956), (78, 2721630), (90, 2358746), (117, 1814420), (130, 1632978), (156, 1360815), (180, 1179373), (195, 1088652), (234, 907210), (257, 826020), (260, 816489), (353, 601380), (390, 544326), (468, 453605), (514, 413010), (585, 362884), (706, 300690), (771, 275340), (780, 272163), (1028, 206505), (1059, 200460), (1170, 181442), (1285, 165204), (1412, 150345), (1542, 137670), (1765, 120276), (2118, 100230), (2313, 91780), (2340, 90721), (2570, 82602), (3084, 68835), (3177, 66820), (3341, 63540), (3530, 60138), (3855, 55068), (4236, 50115), (4589, 46260), (4626, 45890), (5140, 41301), (5295, 40092), (6354, 33410), (6682, 31770), (7060, 30069), (7710, 27534), (9178, 23130), (9252, 22945), (10023, 21180), (10590, 20046), (11565, 18356), (12708, 16705), (13364, 15885), (13767, 15420)]