29898700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 70846160

約数和(自身を除く): 40947460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 130, 211, 218, 260, 325, 422, 436, 545, 650, 844, 1055, 1090, 1300, 1417, 2110, 2180, 2725, 2743, 2834, 4220, 5275, 5450, 5486, 5668, 7085, 10550, 10900, 10972, 13715, 14170, 21100, 22999, 27430, 28340, 35425, 45998, 54860, 68575, 70850, 91996, 114995, 137150, 141700, 229990, 274300, 298987, 459980, 574975, 597974, 1149950, 1195948, 1494935, 2299900, 2989870, 5979740, 7474675, 14949350, 29898700]

約数ペア:

[(1, 29898700), (2, 14949350), (4, 7474675), (5, 5979740), (10, 2989870), (13, 2299900), (20, 1494935), (25, 1195948), (26, 1149950), (50, 597974), (52, 574975), (65, 459980), (100, 298987), (109, 274300), (130, 229990), (211, 141700), (218, 137150), (260, 114995), (325, 91996), (422, 70850), (436, 68575), (545, 54860), (650, 45998), (844, 35425), (1055, 28340), (1090, 27430), (1300, 22999), (1417, 21100), (2110, 14170), (2180, 13715), (2725, 10972), (2743, 10900), (2834, 10550), (4220, 7085), (5275, 5668), (5450, 5486)]