216340880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:497

約数の個数: 120

約数和(自身を含む): 590107320

約数和(自身を除く): 373766440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 229, 241, 245, 280, 392, 458, 482, 490, 560, 784, 916, 964, 980, 1145, 1205, 1603, 1687, 1832, 1928, 1960, 2290, 2410, 3206, 3374, 3664, 3856, 3920, 4580, 4820, 6412, 6748, 8015, 8435, 9160, 9640, 11221, 11809, 12824, 13496, 16030, 16870, 18320, 19280, 22442, 23618, 25648, 26992, 32060, 33740, 44884, 47236, 55189, 56105, 59045, 64120, 67480, 89768, 94472, 110378, 112210, 118090, 128240, 134960, 179536, 188944, 220756, 224420, 236180, 275945, 386323, 441512, 448840, 472360, 551890, 772646, 883024, 897680, 944720, 1103780, 1545292, 1931615, 2207560, 2704261, 3090584, 3863230, 4415120, 5408522, 6181168, 7726460, 10817044, 13521305, 15452920, 21634088, 27042610, 30905840, 43268176, 54085220, 108170440, 216340880]

約数ペア:

[(1, 216340880), (2, 108170440), (4, 54085220), (5, 43268176), (7, 30905840), (8, 27042610), (10, 21634088), (14, 15452920), (16, 13521305), (20, 10817044), (28, 7726460), (35, 6181168), (40, 5408522), (49, 4415120), (56, 3863230), (70, 3090584), (80, 2704261), (98, 2207560), (112, 1931615), (140, 1545292), (196, 1103780), (229, 944720), (241, 897680), (245, 883024), (280, 772646), (392, 551890), (458, 472360), (482, 448840), (490, 441512), (560, 386323), (784, 275945), (916, 236180), (964, 224420), (980, 220756), (1145, 188944), (1205, 179536), (1603, 134960), (1687, 128240), (1832, 118090), (1928, 112210), (1960, 110378), (2290, 94472), (2410, 89768), (3206, 67480), (3374, 64120), (3664, 59045), (3856, 56105), (3920, 55189), (4580, 47236), (4820, 44884), (6412, 33740), (6748, 32060), (8015, 26992), (8435, 25648), (9160, 23618), (9640, 22442), (11221, 19280), (11809, 18320), (12824, 16870), (13496, 16030)]