28105750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 56871360

約数和(自身を除く): 28765610

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 97, 122, 125, 190, 194, 250, 305, 475, 485, 610, 950, 970, 1159, 1525, 1843, 2318, 2375, 2425, 3050, 3686, 4750, 4850, 5795, 5917, 7625, 9215, 11590, 11834, 12125, 15250, 18430, 24250, 28975, 29585, 46075, 57950, 59170, 92150, 112423, 144875, 147925, 224846, 230375, 289750, 295850, 460750, 562115, 739625, 1124230, 1479250, 2810575, 5621150, 14052875, 28105750]

約数ペア:

[(1, 28105750), (2, 14052875), (5, 5621150), (10, 2810575), (19, 1479250), (25, 1124230), (38, 739625), (50, 562115), (61, 460750), (95, 295850), (97, 289750), (122, 230375), (125, 224846), (190, 147925), (194, 144875), (250, 112423), (305, 92150), (475, 59170), (485, 57950), (610, 46075), (950, 29585), (970, 28975), (1159, 24250), (1525, 18430), (1843, 15250), (2318, 12125), (2375, 11834), (2425, 11590), (3050, 9215), (3686, 7625), (4750, 5917), (4850, 5795)]