100291280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 243734400

約数和(自身を除く): 143443120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 139, 145, 232, 278, 290, 311, 464, 556, 580, 622, 695, 1112, 1160, 1244, 1390, 1555, 2224, 2320, 2488, 2780, 3110, 4031, 4976, 5560, 6220, 8062, 9019, 11120, 12440, 16124, 18038, 20155, 24880, 32248, 36076, 40310, 43229, 45095, 64496, 72152, 80620, 86458, 90190, 144304, 161240, 172916, 180380, 216145, 322480, 345832, 360760, 432290, 691664, 721520, 864580, 1253641, 1729160, 2507282, 3458320, 5014564, 6268205, 10029128, 12536410, 20058256, 25072820, 50145640, 100291280]

約数ペア:

[(1, 100291280), (2, 50145640), (4, 25072820), (5, 20058256), (8, 12536410), (10, 10029128), (16, 6268205), (20, 5014564), (29, 3458320), (40, 2507282), (58, 1729160), (80, 1253641), (116, 864580), (139, 721520), (145, 691664), (232, 432290), (278, 360760), (290, 345832), (311, 322480), (464, 216145), (556, 180380), (580, 172916), (622, 161240), (695, 144304), (1112, 90190), (1160, 86458), (1244, 80620), (1390, 72152), (1555, 64496), (2224, 45095), (2320, 43229), (2488, 40310), (2780, 36076), (3110, 32248), (4031, 24880), (4976, 20155), (5560, 18038), (6220, 16124), (8062, 12440), (9019, 11120)]