398007680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1217}}^1$

素因数の和:1316

約数の個数: 128

約数和(自身を含む): 1103215680

約数和(自身を除く): 705208000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 640, 730, 896, 1022, 1120, 1168, 1217, 1460, 2044, 2240, 2336, 2434, 2555, 2920, 4088, 4480, 4672, 4868, 5110, 5840, 6085, 8176, 8519, 9344, 9736, 10220, 11680, 12170, 16352, 17038, 19472, 20440, 23360, 24340, 32704, 34076, 38944, 40880, 42595, 46720, 48680, 65408, 68152, 77888, 81760, 85190, 88841, 97360, 136304, 155776, 163520, 170380, 177682, 194720, 272608, 327040, 340760, 355364, 389440, 444205, 545216, 621887, 681520, 710728, 778880, 888410, 1090432, 1243774, 1363040, 1421456, 1776820, 2487548, 2726080, 2842912, 3109435, 3553640, 4975096, 5452160, 5685824, 6218870, 7107280, 9950192, 11371648, 12437740, 14214560, 19900384, 24875480, 28429120, 39800768, 49750960, 56858240, 79601536, 99501920, 199003840, 398007680]

約数ペア:

[(1, 398007680), (2, 199003840), (4, 99501920), (5, 79601536), (7, 56858240), (8, 49750960), (10, 39800768), (14, 28429120), (16, 24875480), (20, 19900384), (28, 14214560), (32, 12437740), (35, 11371648), (40, 9950192), (56, 7107280), (64, 6218870), (70, 5685824), (73, 5452160), (80, 4975096), (112, 3553640), (128, 3109435), (140, 2842912), (146, 2726080), (160, 2487548), (224, 1776820), (280, 1421456), (292, 1363040), (320, 1243774), (365, 1090432), (448, 888410), (511, 778880), (560, 710728), (584, 681520), (640, 621887), (730, 545216), (896, 444205), (1022, 389440), (1120, 355364), (1168, 340760), (1217, 327040), (1460, 272608), (2044, 194720), (2240, 177682), (2336, 170380), (2434, 163520), (2555, 155776), (2920, 136304), (4088, 97360), (4480, 88841), (4672, 85190), (4868, 81760), (5110, 77888), (5840, 68152), (6085, 65408), (8176, 48680), (8519, 46720), (9344, 42595), (9736, 40880), (10220, 38944), (11680, 34076), (12170, 32704), (16352, 24340), (17038, 23360), (19472, 20440)]