209133440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 526417920

約数和(自身を除く): 317284480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 127, 128, 155, 160, 166, 248, 254, 310, 320, 332, 415, 496, 508, 620, 635, 640, 664, 830, 992, 1016, 1240, 1270, 1328, 1660, 1984, 2032, 2480, 2540, 2573, 2656, 3320, 3937, 3968, 4064, 4960, 5080, 5146, 5312, 6640, 7874, 8128, 9920, 10160, 10292, 10541, 10624, 12865, 13280, 15748, 16256, 19685, 19840, 20320, 20584, 21082, 25730, 26560, 31496, 39370, 40640, 41168, 42164, 51460, 52705, 53120, 62992, 78740, 81280, 82336, 84328, 102920, 105410, 125984, 157480, 164672, 168656, 205840, 210820, 251968, 314960, 326771, 329344, 337312, 411680, 421640, 503936, 629920, 653542, 674624, 823360, 843280, 1259840, 1307084, 1349248, 1633855, 1646720, 1686560, 2519680, 2614168, 3267710, 3373120, 5228336, 6535420, 6746240, 10456672, 13070840, 20913344, 26141680, 41826688, 52283360, 104566720, 209133440]

約数ペア:

[(1, 209133440), (2, 104566720), (4, 52283360), (5, 41826688), (8, 26141680), (10, 20913344), (16, 13070840), (20, 10456672), (31, 6746240), (32, 6535420), (40, 5228336), (62, 3373120), (64, 3267710), (80, 2614168), (83, 2519680), (124, 1686560), (127, 1646720), (128, 1633855), (155, 1349248), (160, 1307084), (166, 1259840), (248, 843280), (254, 823360), (310, 674624), (320, 653542), (332, 629920), (415, 503936), (496, 421640), (508, 411680), (620, 337312), (635, 329344), (640, 326771), (664, 314960), (830, 251968), (992, 210820), (1016, 205840), (1240, 168656), (1270, 164672), (1328, 157480), (1660, 125984), (1984, 105410), (2032, 102920), (2480, 84328), (2540, 82336), (2573, 81280), (2656, 78740), (3320, 62992), (3937, 53120), (3968, 52705), (4064, 51460), (4960, 42164), (5080, 41168), (5146, 40640), (5312, 39370), (6640, 31496), (7874, 26560), (8128, 25730), (9920, 21082), (10160, 20584), (10292, 20320), (10541, 19840), (10624, 19685), (12865, 16256), (13280, 15748)]