11919700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 28545048

約数和(自身を除く): 16625348

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 173, 212, 260, 265, 325, 346, 530, 650, 689, 692, 865, 1060, 1300, 1325, 1378, 1730, 2249, 2650, 2756, 3445, 3460, 4325, 4498, 5300, 6890, 8650, 8996, 9169, 11245, 13780, 17225, 17300, 18338, 22490, 34450, 36676, 44980, 45845, 56225, 68900, 91690, 112450, 119197, 183380, 224900, 229225, 238394, 458450, 476788, 595985, 916900, 1191970, 2383940, 2979925, 5959850, 11919700]

約数ペア:

[(1, 11919700), (2, 5959850), (4, 2979925), (5, 2383940), (10, 1191970), (13, 916900), (20, 595985), (25, 476788), (26, 458450), (50, 238394), (52, 229225), (53, 224900), (65, 183380), (100, 119197), (106, 112450), (130, 91690), (173, 68900), (212, 56225), (260, 45845), (265, 44980), (325, 36676), (346, 34450), (530, 22490), (650, 18338), (689, 17300), (692, 17225), (865, 13780), (1060, 11245), (1300, 9169), (1325, 8996), (1378, 8650), (1730, 6890), (2249, 5300), (2650, 4498), (2756, 4325), (3445, 3460)]