189927800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 469315200

約数和(自身を除く): 279387400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 151, 152, 190, 200, 302, 331, 380, 475, 604, 662, 755, 760, 950, 1208, 1324, 1510, 1655, 1900, 2648, 2869, 3020, 3310, 3775, 3800, 5738, 6040, 6289, 6620, 7550, 8275, 11476, 12578, 13240, 14345, 15100, 16550, 22952, 25156, 28690, 30200, 31445, 33100, 49981, 50312, 57380, 62890, 66200, 71725, 99962, 114760, 125780, 143450, 157225, 199924, 249905, 251560, 286900, 314450, 399848, 499810, 573800, 628900, 949639, 999620, 1249525, 1257800, 1899278, 1999240, 2499050, 3798556, 4748195, 4998100, 7597112, 9496390, 9996200, 18992780, 23740975, 37985560, 47481950, 94963900, 189927800]

約数ペア:

[(1, 189927800), (2, 94963900), (4, 47481950), (5, 37985560), (8, 23740975), (10, 18992780), (19, 9996200), (20, 9496390), (25, 7597112), (38, 4998100), (40, 4748195), (50, 3798556), (76, 2499050), (95, 1999240), (100, 1899278), (151, 1257800), (152, 1249525), (190, 999620), (200, 949639), (302, 628900), (331, 573800), (380, 499810), (475, 399848), (604, 314450), (662, 286900), (755, 251560), (760, 249905), (950, 199924), (1208, 157225), (1324, 143450), (1510, 125780), (1655, 114760), (1900, 99962), (2648, 71725), (2869, 66200), (3020, 62890), (3310, 57380), (3775, 50312), (3800, 49981), (5738, 33100), (6040, 31445), (6289, 30200), (6620, 28690), (7550, 25156), (8275, 22952), (11476, 16550), (12578, 15100), (13240, 14345)]