319939840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:796

約数の個数: 144

約数和(自身を含む): 864170496

約数和(自身を除く): 544230656

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, 256, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 733, 880, 992, 1240, 1280, 1364, 1408, 1466, 1705, 1760, 1984, 2480, 2728, 2816, 2932, 3410, 3520, 3665, 3968, 4960, 5456, 5864, 6820, 7040, 7330, 7936, 8063, 9920, 10912, 11728, 13640, 14080, 14660, 16126, 19840, 21824, 22723, 23456, 27280, 29320, 32252, 39680, 40315, 43648, 45446, 46912, 54560, 58640, 64504, 80630, 87296, 90892, 93824, 109120, 113615, 117280, 129008, 161260, 181784, 187648, 218240, 227230, 234560, 249953, 258016, 322520, 363568, 436480, 454460, 469120, 499906, 516032, 645040, 727136, 908920, 938240, 999812, 1032064, 1249765, 1290080, 1454272, 1817840, 1999624, 2064128, 2499530, 2580160, 2908544, 3635680, 3999248, 4999060, 5160320, 5817088, 7271360, 7998496, 9998120, 10320640, 14542720, 15996992, 19996240, 29085440, 31993984, 39992480, 63987968, 79984960, 159969920, 319939840]

約数ペア:

[(1, 319939840), (2, 159969920), (4, 79984960), (5, 63987968), (8, 39992480), (10, 31993984), (11, 29085440), (16, 19996240), (20, 15996992), (22, 14542720), (31, 10320640), (32, 9998120), (40, 7998496), (44, 7271360), (55, 5817088), (62, 5160320), (64, 4999060), (80, 3999248), (88, 3635680), (110, 2908544), (124, 2580160), (128, 2499530), (155, 2064128), (160, 1999624), (176, 1817840), (220, 1454272), (248, 1290080), (256, 1249765), (310, 1032064), (320, 999812), (341, 938240), (352, 908920), (440, 727136), (496, 645040), (620, 516032), (640, 499906), (682, 469120), (704, 454460), (733, 436480), (880, 363568), (992, 322520), (1240, 258016), (1280, 249953), (1364, 234560), (1408, 227230), (1466, 218240), (1705, 187648), (1760, 181784), (1984, 161260), (2480, 129008), (2728, 117280), (2816, 113615), (2932, 109120), (3410, 93824), (3520, 90892), (3665, 87296), (3968, 80630), (4960, 64504), (5456, 58640), (5864, 54560), (6820, 46912), (7040, 45446), (7330, 43648), (7936, 40315), (8063, 39680), (9920, 32252), (10912, 29320), (11728, 27280), (13640, 23456), (14080, 22723), (14660, 21824), (16126, 19840)]