239732500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 180

約数和(自身を含む): 648167520

約数和(自身を除く): 408435020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 103, 125, 133, 140, 175, 190, 196, 206, 245, 250, 266, 350, 380, 412, 475, 490, 500, 515, 532, 625, 665, 700, 721, 875, 931, 950, 980, 1030, 1225, 1250, 1330, 1442, 1750, 1862, 1900, 1957, 2060, 2375, 2450, 2500, 2575, 2660, 2884, 3325, 3500, 3605, 3724, 3914, 4375, 4655, 4750, 4900, 5047, 5150, 6125, 6650, 7210, 7828, 8750, 9310, 9500, 9785, 10094, 10300, 11875, 12250, 12875, 13300, 13699, 14420, 16625, 17500, 18025, 18620, 19570, 20188, 23275, 23750, 24500, 25235, 25750, 27398, 30625, 33250, 36050, 39140, 46550, 47500, 48925, 50470, 51500, 54796, 61250, 64375, 66500, 68495, 72100, 83125, 90125, 93100, 95893, 97850, 100940, 116375, 122500, 126175, 128750, 136990, 166250, 180250, 191786, 195700, 232750, 244625, 252350, 257500, 273980, 332500, 342475, 360500, 383572, 450625, 465500, 479465, 489250, 504700, 581875, 630875, 684950, 901250, 958930, 978500, 1163750, 1223125, 1261750, 1369900, 1712375, 1802500, 1917860, 2327500, 2397325, 2446250, 2523500, 3154375, 3424750, 4794650, 4892500, 6308750, 6849500, 8561875, 9589300, 11986625, 12617500, 17123750, 23973250, 34247500, 47946500, 59933125, 119866250, 239732500]

約数ペア:

[(1, 239732500), (2, 119866250), (4, 59933125), (5, 47946500), (7, 34247500), (10, 23973250), (14, 17123750), (19, 12617500), (20, 11986625), (25, 9589300), (28, 8561875), (35, 6849500), (38, 6308750), (49, 4892500), (50, 4794650), (70, 3424750), (76, 3154375), (95, 2523500), (98, 2446250), (100, 2397325), (103, 2327500), (125, 1917860), (133, 1802500), (140, 1712375), (175, 1369900), (190, 1261750), (196, 1223125), (206, 1163750), (245, 978500), (250, 958930), (266, 901250), (350, 684950), (380, 630875), (412, 581875), (475, 504700), (490, 489250), (500, 479465), (515, 465500), (532, 450625), (625, 383572), (665, 360500), (700, 342475), (721, 332500), (875, 273980), (931, 257500), (950, 252350), (980, 244625), (1030, 232750), (1225, 195700), (1250, 191786), (1330, 180250), (1442, 166250), (1750, 136990), (1862, 128750), (1900, 126175), (1957, 122500), (2060, 116375), (2375, 100940), (2450, 97850), (2500, 95893), (2575, 93100), (2660, 90125), (2884, 83125), (3325, 72100), (3500, 68495), (3605, 66500), (3724, 64375), (3914, 61250), (4375, 54796), (4655, 51500), (4750, 50470), (4900, 48925), (5047, 47500), (5150, 46550), (6125, 39140), (6650, 36050), (7210, 33250), (7828, 30625), (8750, 27398), (9310, 25750), (9500, 25235), (9785, 24500), (10094, 23750), (10300, 23275), (11875, 20188), (12250, 19570), (12875, 18620), (13300, 18025), (13699, 17500), (14420, 16625)]