217605700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2293}}^1$

素因数の和:2393

約数の個数: 72

約数和(自身を含む): 515718728

約数和(自身を除く): 298113028

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 260, 292, 325, 365, 650, 730, 949, 1300, 1460, 1825, 1898, 2293, 3650, 3796, 4586, 4745, 7300, 9172, 9490, 11465, 18980, 22930, 23725, 29809, 45860, 47450, 57325, 59618, 94900, 114650, 119236, 149045, 167389, 229300, 298090, 334778, 596180, 669556, 745225, 836945, 1490450, 1673890, 2176057, 2980900, 3347780, 4184725, 4352114, 8369450, 8704228, 10880285, 16738900, 21760570, 43521140, 54401425, 108802850, 217605700]

約数ペア:

[(1, 217605700), (2, 108802850), (4, 54401425), (5, 43521140), (10, 21760570), (13, 16738900), (20, 10880285), (25, 8704228), (26, 8369450), (50, 4352114), (52, 4184725), (65, 3347780), (73, 2980900), (100, 2176057), (130, 1673890), (146, 1490450), (260, 836945), (292, 745225), (325, 669556), (365, 596180), (650, 334778), (730, 298090), (949, 229300), (1300, 167389), (1460, 149045), (1825, 119236), (1898, 114650), (2293, 94900), (3650, 59618), (3796, 57325), (4586, 47450), (4745, 45860), (7300, 29809), (9172, 23725), (9490, 22930), (11465, 18980)]