30128728

素因数分解:

$2^3\times 7^2\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 66279600

約数和(自身を除く): 36150872

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 151, 196, 302, 392, 509, 604, 1018, 1057, 1208, 2036, 2114, 3563, 4072, 4228, 7126, 7399, 8456, 14252, 14798, 24941, 28504, 29596, 49882, 59192, 76859, 99764, 153718, 199528, 307436, 538013, 614872, 1076026, 2152052, 3766091, 4304104, 7532182, 15064364, 30128728]

約数ペア:

[(1, 30128728), (2, 15064364), (4, 7532182), (7, 4304104), (8, 3766091), (14, 2152052), (28, 1076026), (49, 614872), (56, 538013), (98, 307436), (151, 199528), (196, 153718), (302, 99764), (392, 76859), (509, 59192), (604, 49882), (1018, 29596), (1057, 28504), (1208, 24941), (2036, 14798), (2114, 14252), (3563, 8456), (4072, 7399), (4228, 7126)]