30388220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 67670400

約数和(自身を除く): 37282180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 379, 380, 422, 758, 844, 1055, 1516, 1895, 2110, 3790, 4009, 4220, 7201, 7580, 8018, 14402, 16036, 20045, 28804, 36005, 40090, 72010, 79969, 80180, 144020, 159938, 319876, 399845, 799690, 1519411, 1599380, 3038822, 6077644, 7597055, 15194110, 30388220]

約数ペア:

[(1, 30388220), (2, 15194110), (4, 7597055), (5, 6077644), (10, 3038822), (19, 1599380), (20, 1519411), (38, 799690), (76, 399845), (95, 319876), (190, 159938), (211, 144020), (379, 80180), (380, 79969), (422, 72010), (758, 40090), (844, 36005), (1055, 28804), (1516, 20045), (1895, 16036), (2110, 14402), (3790, 8018), (4009, 7580), (4220, 7201)]