1274900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 3228960

約数和(自身を除く): 1954060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 61, 76, 95, 100, 110, 122, 190, 209, 220, 244, 275, 305, 380, 418, 475, 550, 610, 671, 836, 950, 1045, 1100, 1159, 1220, 1342, 1525, 1900, 2090, 2318, 2684, 3050, 3355, 4180, 4636, 5225, 5795, 6100, 6710, 10450, 11590, 12749, 13420, 16775, 20900, 23180, 25498, 28975, 33550, 50996, 57950, 63745, 67100, 115900, 127490, 254980, 318725, 637450, 1274900]

約数ペア:

[(1, 1274900), (2, 637450), (4, 318725), (5, 254980), (10, 127490), (11, 115900), (19, 67100), (20, 63745), (22, 57950), (25, 50996), (38, 33550), (44, 28975), (50, 25498), (55, 23180), (61, 20900), (76, 16775), (95, 13420), (100, 12749), (110, 11590), (122, 10450), (190, 6710), (209, 6100), (220, 5795), (244, 5225), (275, 4636), (305, 4180), (380, 3355), (418, 3050), (475, 2684), (550, 2318), (610, 2090), (671, 1900), (836, 1525), (950, 1342), (1045, 1220), (1100, 1159)]