78646700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 202487040

約数和(自身を除く): 123840340

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 53, 55, 71, 76, 95, 100, 106, 110, 142, 190, 209, 212, 220, 265, 275, 284, 355, 380, 418, 475, 530, 550, 583, 710, 781, 836, 950, 1007, 1045, 1060, 1100, 1166, 1325, 1349, 1420, 1562, 1775, 1900, 2014, 2090, 2332, 2650, 2698, 2915, 3124, 3550, 3763, 3905, 4028, 4180, 5035, 5225, 5300, 5396, 5830, 6745, 7100, 7526, 7810, 10070, 10450, 11077, 11660, 13490, 14575, 14839, 15052, 15620, 18815, 19525, 20140, 20900, 22154, 25175, 26980, 29150, 29678, 33725, 37630, 39050, 41393, 44308, 50350, 55385, 58300, 59356, 67450, 71497, 74195, 75260, 78100, 82786, 94075, 100700, 110770, 134900, 142994, 148390, 165572, 188150, 206965, 221540, 276925, 285988, 296780, 357485, 370975, 376300, 413930, 553850, 714970, 741950, 786467, 827860, 1034825, 1107700, 1429940, 1483900, 1572934, 1787425, 2069650, 3145868, 3574850, 3932335, 4139300, 7149700, 7864670, 15729340, 19661675, 39323350, 78646700]

約数ペア:

[(1, 78646700), (2, 39323350), (4, 19661675), (5, 15729340), (10, 7864670), (11, 7149700), (19, 4139300), (20, 3932335), (22, 3574850), (25, 3145868), (38, 2069650), (44, 1787425), (50, 1572934), (53, 1483900), (55, 1429940), (71, 1107700), (76, 1034825), (95, 827860), (100, 786467), (106, 741950), (110, 714970), (142, 553850), (190, 413930), (209, 376300), (212, 370975), (220, 357485), (265, 296780), (275, 285988), (284, 276925), (355, 221540), (380, 206965), (418, 188150), (475, 165572), (530, 148390), (550, 142994), (583, 134900), (710, 110770), (781, 100700), (836, 94075), (950, 82786), (1007, 78100), (1045, 75260), (1060, 74195), (1100, 71497), (1166, 67450), (1325, 59356), (1349, 58300), (1420, 55385), (1562, 50350), (1775, 44308), (1900, 41393), (2014, 39050), (2090, 37630), (2332, 33725), (2650, 29678), (2698, 29150), (2915, 26980), (3124, 25175), (3550, 22154), (3763, 20900), (3905, 20140), (4028, 19525), (4180, 18815), (5035, 15620), (5225, 15052), (5300, 14839), (5396, 14575), (5830, 13490), (6745, 11660), (7100, 11077), (7526, 10450), (7810, 10070)]