217736680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 598752000

約数和(自身を除く): 381015320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 149, 170, 238, 280, 298, 307, 340, 476, 595, 596, 614, 680, 745, 952, 1043, 1190, 1192, 1228, 1490, 1535, 2086, 2149, 2380, 2456, 2533, 2980, 3070, 4172, 4298, 4760, 5066, 5215, 5219, 5960, 6140, 8344, 8596, 10132, 10430, 10438, 10745, 12280, 12665, 17192, 17731, 20264, 20860, 20876, 21490, 25330, 26095, 35462, 36533, 41720, 41752, 42980, 45743, 50660, 52190, 70924, 73066, 85960, 88655, 91486, 101320, 104380, 141848, 146132, 177310, 182665, 182972, 208760, 228715, 292264, 320201, 354620, 365330, 365944, 457430, 640402, 709240, 730660, 777631, 914860, 1280804, 1461320, 1555262, 1601005, 1829720, 2561608, 3110524, 3202010, 3888155, 5443417, 6221048, 6404020, 7776310, 10886834, 12808040, 15552620, 21773668, 27217085, 31105240, 43547336, 54434170, 108868340, 217736680]

約数ペア:

[(1, 217736680), (2, 108868340), (4, 54434170), (5, 43547336), (7, 31105240), (8, 27217085), (10, 21773668), (14, 15552620), (17, 12808040), (20, 10886834), (28, 7776310), (34, 6404020), (35, 6221048), (40, 5443417), (56, 3888155), (68, 3202010), (70, 3110524), (85, 2561608), (119, 1829720), (136, 1601005), (140, 1555262), (149, 1461320), (170, 1280804), (238, 914860), (280, 777631), (298, 730660), (307, 709240), (340, 640402), (476, 457430), (595, 365944), (596, 365330), (614, 354620), (680, 320201), (745, 292264), (952, 228715), (1043, 208760), (1190, 182972), (1192, 182665), (1228, 177310), (1490, 146132), (1535, 141848), (2086, 104380), (2149, 101320), (2380, 91486), (2456, 88655), (2533, 85960), (2980, 73066), (3070, 70924), (4172, 52190), (4298, 50660), (4760, 45743), (5066, 42980), (5215, 41752), (5219, 41720), (5960, 36533), (6140, 35462), (8344, 26095), (8596, 25330), (10132, 21490), (10430, 20876), (10438, 20860), (10745, 20264), (12280, 17731), (12665, 17192)]