251837992040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3723211}}^1$

素因数の和:3723330

約数の個数: 64

約数和(自身を含む): 603160344000

約数和(自身を除く): 351322351960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 3382, 3560, 6764, 8455, 13528, 16910, 33820, 67640, 3723211, 7446422, 14892844, 18616055, 29785688, 37232110, 70741009, 74464220, 141482018, 148928440, 282964036, 331365779, 353705045, 565928072, 662731558, 707410090, 1325463116, 1414820180, 1656828895, 2650926232, 2829640360, 3313657790, 6295949801, 6627315580, 12591899602, 13254631160, 25183799204, 31479749005, 50367598408, 62959498010, 125918996020, 251837992040]

約数ペア:

[(1, 251837992040), (2, 125918996020), (4, 62959498010), (5, 50367598408), (8, 31479749005), (10, 25183799204), (19, 13254631160), (20, 12591899602), (38, 6627315580), (40, 6295949801), (76, 3313657790), (89, 2829640360), (95, 2650926232), (152, 1656828895), (178, 1414820180), (190, 1325463116), (356, 707410090), (380, 662731558), (445, 565928072), (712, 353705045), (760, 331365779), (890, 282964036), (1691, 148928440), (1780, 141482018), (3382, 74464220), (3560, 70741009), (6764, 37232110), (8455, 29785688), (13528, 18616055), (16910, 14892844), (33820, 7446422), (67640, 3723211)]