213218000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 160

約数和(自身を含む): 563297280

約数和(自身を除く): 350079280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 125, 152, 155, 181, 190, 200, 248, 250, 304, 310, 362, 380, 400, 475, 496, 500, 589, 620, 724, 760, 775, 905, 950, 1000, 1178, 1240, 1448, 1520, 1550, 1810, 1900, 2000, 2356, 2375, 2480, 2896, 2945, 3100, 3439, 3620, 3800, 3875, 4525, 4712, 4750, 5611, 5890, 6200, 6878, 7240, 7600, 7750, 9050, 9424, 9500, 11222, 11780, 12400, 13756, 14480, 14725, 15500, 17195, 18100, 19000, 22444, 22625, 23560, 27512, 28055, 29450, 31000, 34390, 36200, 38000, 44888, 45250, 47120, 55024, 56110, 58900, 62000, 68780, 72400, 73625, 85975, 89776, 90500, 106609, 112220, 117800, 137560, 140275, 147250, 171950, 181000, 213218, 224440, 235600, 275120, 280550, 294500, 343900, 362000, 426436, 429875, 448880, 533045, 561100, 589000, 687800, 701375, 852872, 859750, 1066090, 1122200, 1178000, 1375600, 1402750, 1705744, 1719500, 2132180, 2244400, 2665225, 2805500, 3439000, 4264360, 5330450, 5611000, 6878000, 8528720, 10660900, 11222000, 13326125, 21321800, 26652250, 42643600, 53304500, 106609000, 213218000]

約数ペア:

[(1, 213218000), (2, 106609000), (4, 53304500), (5, 42643600), (8, 26652250), (10, 21321800), (16, 13326125), (19, 11222000), (20, 10660900), (25, 8528720), (31, 6878000), (38, 5611000), (40, 5330450), (50, 4264360), (62, 3439000), (76, 2805500), (80, 2665225), (95, 2244400), (100, 2132180), (124, 1719500), (125, 1705744), (152, 1402750), (155, 1375600), (181, 1178000), (190, 1122200), (200, 1066090), (248, 859750), (250, 852872), (304, 701375), (310, 687800), (362, 589000), (380, 561100), (400, 533045), (475, 448880), (496, 429875), (500, 426436), (589, 362000), (620, 343900), (724, 294500), (760, 280550), (775, 275120), (905, 235600), (950, 224440), (1000, 213218), (1178, 181000), (1240, 171950), (1448, 147250), (1520, 140275), (1550, 137560), (1810, 117800), (1900, 112220), (2000, 106609), (2356, 90500), (2375, 89776), (2480, 85975), (2896, 73625), (2945, 72400), (3100, 68780), (3439, 62000), (3620, 58900), (3800, 56110), (3875, 55024), (4525, 47120), (4712, 45250), (4750, 44888), (5611, 38000), (5890, 36200), (6200, 34390), (6878, 31000), (7240, 29450), (7600, 28055), (7750, 27512), (9050, 23560), (9424, 22625), (9500, 22444), (11222, 19000), (11780, 18100), (12400, 17195), (13756, 15500), (14480, 14725)]