29128533140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{74869}}^1$

素因数の和:75289

約数の個数: 72

約数和(自身を含む): 71337034440

約数和(自身を除く): 42208501300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 397, 490, 794, 980, 1588, 1985, 2779, 3970, 5558, 7940, 11116, 13895, 19453, 27790, 38906, 55580, 74869, 77812, 97265, 149738, 194530, 299476, 374345, 389060, 524083, 748690, 1048166, 1497380, 2096332, 2620415, 3668581, 5240830, 7337162, 10481660, 14674324, 18342905, 29722993, 36685810, 59445986, 73371620, 118891972, 148614965, 208060951, 297229930, 416121902, 594459860, 832243804, 1040304755, 1456426657, 2080609510, 2912853314, 4161219020, 5825706628, 7282133285, 14564266570, 29128533140]

約数ペア:

[(1, 29128533140), (2, 14564266570), (4, 7282133285), (5, 5825706628), (7, 4161219020), (10, 2912853314), (14, 2080609510), (20, 1456426657), (28, 1040304755), (35, 832243804), (49, 594459860), (70, 416121902), (98, 297229930), (140, 208060951), (196, 148614965), (245, 118891972), (397, 73371620), (490, 59445986), (794, 36685810), (980, 29722993), (1588, 18342905), (1985, 14674324), (2779, 10481660), (3970, 7337162), (5558, 5240830), (7940, 3668581), (11116, 2620415), (13895, 2096332), (19453, 1497380), (27790, 1048166), (38906, 748690), (55580, 524083), (74869, 389060), (77812, 374345), (97265, 299476), (149738, 194530)]