144465980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 309687840

約数和(自身を除く): 165221860

約数列:

[1, 2, 4, 5, 10, 20, 97, 113, 194, 226, 388, 452, 485, 565, 659, 970, 1130, 1318, 1940, 2260, 2636, 3295, 6590, 10961, 13180, 21922, 43844, 54805, 63923, 74467, 109610, 127846, 148934, 219220, 255692, 297868, 319615, 372335, 639230, 744670, 1278460, 1489340, 7223299, 14446598, 28893196, 36116495, 72232990, 144465980]

約数ペア:

[(1, 144465980), (2, 72232990), (4, 36116495), (5, 28893196), (10, 14446598), (20, 7223299), (97, 1489340), (113, 1278460), (194, 744670), (226, 639230), (388, 372335), (452, 319615), (485, 297868), (565, 255692), (659, 219220), (970, 148934), (1130, 127846), (1318, 109610), (1940, 74467), (2260, 63923), (2636, 54805), (3295, 43844), (6590, 21922), (10961, 13180)]