218393600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:498

約数の個数: 132

約数和(自身を含む): 571113000

約数和(自身を除く): 352719400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 380, 400, 449, 475, 512, 608, 640, 760, 800, 898, 950, 1024, 1216, 1280, 1520, 1600, 1796, 1900, 2245, 2432, 2560, 3040, 3200, 3592, 3800, 4490, 4864, 5120, 6080, 6400, 7184, 7600, 8531, 8980, 9728, 11225, 12160, 12800, 14368, 15200, 17062, 17960, 19456, 22450, 24320, 25600, 28736, 30400, 34124, 35920, 42655, 44900, 48640, 57472, 60800, 68248, 71840, 85310, 89800, 97280, 114944, 121600, 136496, 143680, 170620, 179600, 213275, 229888, 243200, 272992, 287360, 341240, 359200, 426550, 459776, 486400, 545984, 574720, 682480, 718400, 853100, 1091968, 1149440, 1364960, 1436800, 1706200, 2183936, 2298880, 2729920, 2873600, 3412400, 4367872, 5459840, 5747200, 6824800, 8735744, 10919680, 11494400, 13649600, 21839360, 27299200, 43678720, 54598400, 109196800, 218393600]

約数ペア:

[(1, 218393600), (2, 109196800), (4, 54598400), (5, 43678720), (8, 27299200), (10, 21839360), (16, 13649600), (19, 11494400), (20, 10919680), (25, 8735744), (32, 6824800), (38, 5747200), (40, 5459840), (50, 4367872), (64, 3412400), (76, 2873600), (80, 2729920), (95, 2298880), (100, 2183936), (128, 1706200), (152, 1436800), (160, 1364960), (190, 1149440), (200, 1091968), (256, 853100), (304, 718400), (320, 682480), (380, 574720), (400, 545984), (449, 486400), (475, 459776), (512, 426550), (608, 359200), (640, 341240), (760, 287360), (800, 272992), (898, 243200), (950, 229888), (1024, 213275), (1216, 179600), (1280, 170620), (1520, 143680), (1600, 136496), (1796, 121600), (1900, 114944), (2245, 97280), (2432, 89800), (2560, 85310), (3040, 71840), (3200, 68248), (3592, 60800), (3800, 57472), (4490, 48640), (4864, 44900), (5120, 42655), (6080, 35920), (6400, 34124), (7184, 30400), (7600, 28736), (8531, 25600), (8980, 24320), (9728, 22450), (11225, 19456), (12160, 17960), (12800, 17062), (14368, 15200)]