1640573900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{14557}}^1$

素因数の和:14608

約数の個数: 108

約数和(自身を含む): 4321629648

約数和(自身を除く): 2681055748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 175, 196, 230, 245, 322, 350, 460, 490, 575, 644, 700, 805, 980, 1127, 1150, 1225, 1610, 2254, 2300, 2450, 3220, 4025, 4508, 4900, 5635, 8050, 11270, 14557, 16100, 22540, 28175, 29114, 56350, 58228, 72785, 101899, 112700, 145570, 203798, 291140, 334811, 363925, 407596, 509495, 669622, 713293, 727850, 1018990, 1339244, 1426586, 1455700, 1674055, 2037980, 2343677, 2547475, 2853172, 3348110, 3566465, 4687354, 5094950, 6696220, 7132930, 8370275, 9374708, 10189900, 11718385, 14265860, 16405739, 16740550, 17832325, 23436770, 32811478, 33481100, 35664650, 46873540, 58591925, 65622956, 71329300, 82028695, 117183850, 164057390, 234367700, 328114780, 410143475, 820286950, 1640573900]

約数ペア:

[(1, 1640573900), (2, 820286950), (4, 410143475), (5, 328114780), (7, 234367700), (10, 164057390), (14, 117183850), (20, 82028695), (23, 71329300), (25, 65622956), (28, 58591925), (35, 46873540), (46, 35664650), (49, 33481100), (50, 32811478), (70, 23436770), (92, 17832325), (98, 16740550), (100, 16405739), (115, 14265860), (140, 11718385), (161, 10189900), (175, 9374708), (196, 8370275), (230, 7132930), (245, 6696220), (322, 5094950), (350, 4687354), (460, 3566465), (490, 3348110), (575, 2853172), (644, 2547475), (700, 2343677), (805, 2037980), (980, 1674055), (1127, 1455700), (1150, 1426586), (1225, 1339244), (1610, 1018990), (2254, 727850), (2300, 713293), (2450, 669622), (3220, 509495), (4025, 407596), (4508, 363925), (4900, 334811), (5635, 291140), (8050, 203798), (11270, 145570), (14557, 112700), (16100, 101899), (22540, 72785), (28175, 58228), (29114, 56350)]