30705850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 72

約数和(自身を含む): 67683168

約数和(自身を除く): 36977318

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 83, 98, 151, 166, 175, 245, 302, 350, 415, 490, 581, 755, 830, 1057, 1162, 1225, 1510, 2075, 2114, 2450, 2905, 3775, 4067, 4150, 5285, 5810, 7399, 7550, 8134, 10570, 12533, 14525, 14798, 20335, 25066, 26425, 29050, 36995, 40670, 52850, 62665, 73990, 87731, 101675, 125330, 175462, 184975, 203350, 313325, 369950, 438655, 614117, 626650, 877310, 1228234, 2193275, 3070585, 4386550, 6141170, 15352925, 30705850]

約数ペア:

[(1, 30705850), (2, 15352925), (5, 6141170), (7, 4386550), (10, 3070585), (14, 2193275), (25, 1228234), (35, 877310), (49, 626650), (50, 614117), (70, 438655), (83, 369950), (98, 313325), (151, 203350), (166, 184975), (175, 175462), (245, 125330), (302, 101675), (350, 87731), (415, 73990), (490, 62665), (581, 52850), (755, 40670), (830, 36995), (1057, 29050), (1162, 26425), (1225, 25066), (1510, 20335), (2075, 14798), (2114, 14525), (2450, 12533), (2905, 10570), (3775, 8134), (4067, 7550), (4150, 7399), (5285, 5810)]