438225920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 176

約数和(自身を含む): 1188504576

約数和(自身を除く): 750278656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 251, 256, 310, 320, 341, 352, 440, 496, 502, 512, 620, 640, 682, 704, 880, 992, 1004, 1024, 1240, 1255, 1280, 1364, 1408, 1705, 1760, 1984, 2008, 2480, 2510, 2560, 2728, 2761, 2816, 3410, 3520, 3968, 4016, 4960, 5020, 5120, 5456, 5522, 5632, 6820, 7040, 7781, 7936, 8032, 9920, 10040, 10912, 11044, 11264, 13640, 13805, 14080, 15562, 15872, 16064, 19840, 20080, 21824, 22088, 27280, 27610, 28160, 31124, 31744, 32128, 38905, 39680, 40160, 43648, 44176, 54560, 55220, 56320, 62248, 64256, 77810, 79360, 80320, 85591, 87296, 88352, 109120, 110440, 124496, 128512, 155620, 158720, 160640, 171182, 174592, 176704, 218240, 220880, 248992, 257024, 311240, 321280, 342364, 349184, 353408, 427955, 436480, 441760, 497984, 622480, 642560, 684728, 706816, 855910, 872960, 883520, 995968, 1244960, 1285120, 1369456, 1413632, 1711820, 1745920, 1767040, 1991936, 2489920, 2738912, 2827264, 3423640, 3534080, 3983872, 4979840, 5477824, 6847280, 7068160, 7967744, 9959680, 10955648, 13694560, 14136320, 19919360, 21911296, 27389120, 39838720, 43822592, 54778240, 87645184, 109556480, 219112960, 438225920]

約数ペア:

[(1, 438225920), (2, 219112960), (4, 109556480), (5, 87645184), (8, 54778240), (10, 43822592), (11, 39838720), (16, 27389120), (20, 21911296), (22, 19919360), (31, 14136320), (32, 13694560), (40, 10955648), (44, 9959680), (55, 7967744), (62, 7068160), (64, 6847280), (80, 5477824), (88, 4979840), (110, 3983872), (124, 3534080), (128, 3423640), (155, 2827264), (160, 2738912), (176, 2489920), (220, 1991936), (248, 1767040), (251, 1745920), (256, 1711820), (310, 1413632), (320, 1369456), (341, 1285120), (352, 1244960), (440, 995968), (496, 883520), (502, 872960), (512, 855910), (620, 706816), (640, 684728), (682, 642560), (704, 622480), (880, 497984), (992, 441760), (1004, 436480), (1024, 427955), (1240, 353408), (1255, 349184), (1280, 342364), (1364, 321280), (1408, 311240), (1705, 257024), (1760, 248992), (1984, 220880), (2008, 218240), (2480, 176704), (2510, 174592), (2560, 171182), (2728, 160640), (2761, 158720), (2816, 155620), (3410, 128512), (3520, 124496), (3968, 110440), (4016, 109120), (4960, 88352), (5020, 87296), (5120, 85591), (5456, 80320), (5522, 79360), (5632, 77810), (6820, 64256), (7040, 62248), (7781, 56320), (7936, 55220), (8032, 54560), (9920, 44176), (10040, 43648), (10912, 40160), (11044, 39680), (11264, 38905), (13640, 32128), (13805, 31744), (14080, 31124), (15562, 28160), (15872, 27610), (16064, 27280), (19840, 22088), (20080, 21824)]