420291220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{5839}}^1$

素因数の和:5968

約数の個数: 48

約数和(自身を含む): 912441600

約数和(自身を除く): 492150380

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 1180, 1220, 3599, 5839, 7198, 11678, 14396, 17995, 23356, 29195, 35990, 58390, 71980, 116780, 344501, 356179, 689002, 712358, 1378004, 1424716, 1722505, 1780895, 3445010, 3561790, 6890020, 7123580, 21014561, 42029122, 84058244, 105072805, 210145610, 420291220]

約数ペア:

[(1, 420291220), (2, 210145610), (4, 105072805), (5, 84058244), (10, 42029122), (20, 21014561), (59, 7123580), (61, 6890020), (118, 3561790), (122, 3445010), (236, 1780895), (244, 1722505), (295, 1424716), (305, 1378004), (590, 712358), (610, 689002), (1180, 356179), (1220, 344501), (3599, 116780), (5839, 71980), (7198, 58390), (11678, 35990), (14396, 29195), (17995, 23356)]