12970100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 33102048

約数和(自身を除く): 20131948

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 907, 1100, 1300, 1430, 1814, 2860, 3575, 3628, 4535, 7150, 9070, 9977, 11791, 14300, 18140, 19954, 22675, 23582, 39908, 45350, 47164, 49885, 58955, 90700, 99770, 117910, 129701, 199540, 235820, 249425, 259402, 294775, 498850, 518804, 589550, 648505, 997700, 1179100, 1297010, 2594020, 3242525, 6485050, 12970100]

約数ペア:

[(1, 12970100), (2, 6485050), (4, 3242525), (5, 2594020), (10, 1297010), (11, 1179100), (13, 997700), (20, 648505), (22, 589550), (25, 518804), (26, 498850), (44, 294775), (50, 259402), (52, 249425), (55, 235820), (65, 199540), (100, 129701), (110, 117910), (130, 99770), (143, 90700), (220, 58955), (260, 49885), (275, 47164), (286, 45350), (325, 39908), (550, 23582), (572, 22675), (650, 19954), (715, 18140), (907, 14300), (1100, 11791), (1300, 9977), (1430, 9070), (1814, 7150), (2860, 4535), (3575, 3628)]