1225900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 3062304

約数和(自身を除く): 1836404

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 41, 46, 50, 52, 65, 82, 92, 100, 115, 130, 164, 205, 230, 260, 299, 325, 410, 460, 533, 575, 598, 650, 820, 943, 1025, 1066, 1150, 1196, 1300, 1495, 1886, 2050, 2132, 2300, 2665, 2990, 3772, 4100, 4715, 5330, 5980, 7475, 9430, 10660, 12259, 13325, 14950, 18860, 23575, 24518, 26650, 29900, 47150, 49036, 53300, 61295, 94300, 122590, 245180, 306475, 612950, 1225900]

約数ペア:

[(1, 1225900), (2, 612950), (4, 306475), (5, 245180), (10, 122590), (13, 94300), (20, 61295), (23, 53300), (25, 49036), (26, 47150), (41, 29900), (46, 26650), (50, 24518), (52, 23575), (65, 18860), (82, 14950), (92, 13325), (100, 12259), (115, 10660), (130, 9430), (164, 7475), (205, 5980), (230, 5330), (260, 4715), (299, 4100), (325, 3772), (410, 2990), (460, 2665), (533, 2300), (575, 2132), (598, 2050), (650, 1886), (820, 1495), (943, 1300), (1025, 1196), (1066, 1150)]