128189200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 329353920

約数和(自身を除く): 201164720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 101, 152, 167, 190, 200, 202, 304, 334, 380, 400, 404, 475, 505, 668, 760, 808, 835, 950, 1010, 1336, 1520, 1616, 1670, 1900, 1919, 2020, 2525, 2672, 3173, 3340, 3800, 3838, 4040, 4175, 5050, 6346, 6680, 7600, 7676, 8080, 8350, 9595, 10100, 12692, 13360, 15352, 15865, 16700, 16867, 19190, 20200, 25384, 30704, 31730, 33400, 33734, 38380, 40400, 47975, 50768, 63460, 66800, 67468, 76760, 79325, 84335, 95950, 126920, 134936, 153520, 158650, 168670, 191900, 253840, 269872, 317300, 320473, 337340, 383800, 421675, 634600, 640946, 674680, 767600, 843350, 1269200, 1281892, 1349360, 1602365, 1686700, 2563784, 3204730, 3373400, 5127568, 6409460, 6746800, 8011825, 12818920, 16023650, 25637840, 32047300, 64094600, 128189200]

約数ペア:

[(1, 128189200), (2, 64094600), (4, 32047300), (5, 25637840), (8, 16023650), (10, 12818920), (16, 8011825), (19, 6746800), (20, 6409460), (25, 5127568), (38, 3373400), (40, 3204730), (50, 2563784), (76, 1686700), (80, 1602365), (95, 1349360), (100, 1281892), (101, 1269200), (152, 843350), (167, 767600), (190, 674680), (200, 640946), (202, 634600), (304, 421675), (334, 383800), (380, 337340), (400, 320473), (404, 317300), (475, 269872), (505, 253840), (668, 191900), (760, 168670), (808, 158650), (835, 153520), (950, 134936), (1010, 126920), (1336, 95950), (1520, 84335), (1616, 79325), (1670, 76760), (1900, 67468), (1919, 66800), (2020, 63460), (2525, 50768), (2672, 47975), (3173, 40400), (3340, 38380), (3800, 33734), (3838, 33400), (4040, 31730), (4175, 30704), (5050, 25384), (6346, 20200), (6680, 19190), (7600, 16867), (7676, 16700), (8080, 15865), (8350, 15352), (9595, 13360), (10100, 12692)]