28400630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 29176330

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 67, 95, 97, 115, 134, 190, 194, 230, 335, 437, 485, 670, 874, 970, 1273, 1541, 1843, 2185, 2231, 2546, 3082, 3686, 4370, 4462, 6365, 6499, 7705, 9215, 11155, 12730, 12998, 15410, 18430, 22310, 29279, 32495, 42389, 58558, 64990, 84778, 123481, 146395, 149477, 211945, 246962, 292790, 298954, 423890, 617405, 747385, 1234810, 1494770, 2840063, 5680126, 14200315, 28400630]

約数ペア:

[(1, 28400630), (2, 14200315), (5, 5680126), (10, 2840063), (19, 1494770), (23, 1234810), (38, 747385), (46, 617405), (67, 423890), (95, 298954), (97, 292790), (115, 246962), (134, 211945), (190, 149477), (194, 146395), (230, 123481), (335, 84778), (437, 64990), (485, 58558), (670, 42389), (874, 32495), (970, 29279), (1273, 22310), (1541, 18430), (1843, 15410), (2185, 12998), (2231, 12730), (2546, 11155), (3082, 9215), (3686, 7705), (4370, 6499), (4462, 6365)]