389612948440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1\times {\mathrm{214219}}^1$

素因数の和:215380

約数の個数: 64

約数和(自身を含む): 898824276000

約数和(自身を除く): 509211327560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1109, 1640, 2218, 4436, 5545, 8872, 11090, 22180, 44360, 45469, 90938, 181876, 214219, 227345, 363752, 428438, 454690, 856876, 909380, 1071095, 1713752, 1818760, 2142190, 4284380, 8568760, 8782979, 17565958, 35131916, 43914895, 70263832, 87829790, 175659580, 237568871, 351319160, 475137742, 950275484, 1187844355, 1900550968, 2375688710, 4751377420, 9502754840, 9740323711, 19480647422, 38961294844, 48701618555, 77922589688, 97403237110, 194806474220, 389612948440]

約数ペア:

[(1, 389612948440), (2, 194806474220), (4, 97403237110), (5, 77922589688), (8, 48701618555), (10, 38961294844), (20, 19480647422), (40, 9740323711), (41, 9502754840), (82, 4751377420), (164, 2375688710), (205, 1900550968), (328, 1187844355), (410, 950275484), (820, 475137742), (1109, 351319160), (1640, 237568871), (2218, 175659580), (4436, 87829790), (5545, 70263832), (8872, 43914895), (11090, 35131916), (22180, 17565958), (44360, 8782979), (45469, 8568760), (90938, 4284380), (181876, 2142190), (214219, 1818760), (227345, 1713752), (363752, 1071095), (428438, 909380), (454690, 856876)]