221567473720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1609}}^1\times {\mathrm{35491}}^1$

素因数の和:37208

約数の個数: 64

約数和(自身を含む): 503993498400

約数和(自身を除く): 282426024680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1609, 1940, 3218, 3880, 6436, 8045, 12872, 16090, 32180, 35491, 64360, 70982, 141964, 156073, 177455, 283928, 312146, 354910, 624292, 709820, 780365, 1248584, 1419640, 1560730, 3121460, 3442627, 6242920, 6885254, 13770508, 17213135, 27541016, 34426270, 57105019, 68852540, 114210038, 137705080, 228420076, 285525095, 456840152, 571050190, 1142100380, 2284200760, 5539186843, 11078373686, 22156747372, 27695934215, 44313494744, 55391868430, 110783736860, 221567473720]

約数ペア:

[(1, 221567473720), (2, 110783736860), (4, 55391868430), (5, 44313494744), (8, 27695934215), (10, 22156747372), (20, 11078373686), (40, 5539186843), (97, 2284200760), (194, 1142100380), (388, 571050190), (485, 456840152), (776, 285525095), (970, 228420076), (1609, 137705080), (1940, 114210038), (3218, 68852540), (3880, 57105019), (6436, 34426270), (8045, 27541016), (12872, 17213135), (16090, 13770508), (32180, 6885254), (35491, 6242920), (64360, 3442627), (70982, 3121460), (141964, 1560730), (156073, 1419640), (177455, 1248584), (283928, 780365), (312146, 709820), (354910, 624292)]