9725720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 23500800

約数和(自身を除く): 13775080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 191, 268, 335, 380, 382, 536, 670, 760, 764, 955, 1273, 1340, 1528, 1910, 2546, 2680, 3629, 3820, 5092, 6365, 7258, 7640, 10184, 12730, 12797, 14516, 18145, 25460, 25594, 29032, 36290, 50920, 51188, 63985, 72580, 102376, 127970, 145160, 243143, 255940, 486286, 511880, 972572, 1215715, 1945144, 2431430, 4862860, 9725720]

約数ペア:

[(1, 9725720), (2, 4862860), (4, 2431430), (5, 1945144), (8, 1215715), (10, 972572), (19, 511880), (20, 486286), (38, 255940), (40, 243143), (67, 145160), (76, 127970), (95, 102376), (134, 72580), (152, 63985), (190, 51188), (191, 50920), (268, 36290), (335, 29032), (380, 25594), (382, 25460), (536, 18145), (670, 14516), (760, 12797), (764, 12730), (955, 10184), (1273, 7640), (1340, 7258), (1528, 6365), (1910, 5092), (2546, 3820), (2680, 3629)]