23173900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 53277840

約数和(自身を除く): 30103940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 61, 100, 116, 122, 131, 145, 244, 262, 290, 305, 524, 580, 610, 655, 725, 1220, 1310, 1450, 1525, 1769, 2620, 2900, 3050, 3275, 3538, 3799, 6100, 6550, 7076, 7598, 7991, 8845, 13100, 15196, 15982, 17690, 18995, 31964, 35380, 37990, 39955, 44225, 75980, 79910, 88450, 94975, 159820, 176900, 189950, 199775, 231739, 379900, 399550, 463478, 799100, 926956, 1158695, 2317390, 4634780, 5793475, 11586950, 23173900]

約数ペア:

[(1, 23173900), (2, 11586950), (4, 5793475), (5, 4634780), (10, 2317390), (20, 1158695), (25, 926956), (29, 799100), (50, 463478), (58, 399550), (61, 379900), (100, 231739), (116, 199775), (122, 189950), (131, 176900), (145, 159820), (244, 94975), (262, 88450), (290, 79910), (305, 75980), (524, 44225), (580, 39955), (610, 37990), (655, 35380), (725, 31964), (1220, 18995), (1310, 17690), (1450, 15982), (1525, 15196), (1769, 13100), (2620, 8845), (2900, 7991), (3050, 7598), (3275, 7076), (3538, 6550), (3799, 6100)]