194743990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 447068160

約数和(自身を除く): 252324170

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 35, 43, 46, 58, 70, 86, 97, 115, 145, 161, 194, 203, 215, 230, 290, 301, 322, 406, 430, 485, 602, 667, 679, 805, 970, 989, 1015, 1247, 1334, 1358, 1505, 1610, 1978, 2030, 2231, 2494, 2813, 3010, 3335, 3395, 4171, 4462, 4669, 4945, 5626, 6235, 6670, 6790, 6923, 8342, 8729, 9338, 9890, 11155, 12470, 13846, 14065, 15617, 17458, 19691, 20855, 22310, 23345, 28130, 28681, 29197, 31234, 34615, 39382, 41710, 43645, 46690, 57362, 58394, 64699, 69230, 78085, 87290, 95933, 98455, 120959, 129398, 143405, 145985, 156170, 191866, 196910, 200767, 241918, 286810, 291970, 323495, 401534, 452893, 479665, 604795, 646990, 671531, 846713, 905786, 959330, 1003835, 1209590, 1343062, 1693426, 2007670, 2264465, 2782057, 3357655, 4233565, 4528930, 5564114, 6715310, 8467130, 13910285, 19474399, 27820570, 38948798, 97371995, 194743990]

約数ペア:

[(1, 194743990), (2, 97371995), (5, 38948798), (7, 27820570), (10, 19474399), (14, 13910285), (23, 8467130), (29, 6715310), (35, 5564114), (43, 4528930), (46, 4233565), (58, 3357655), (70, 2782057), (86, 2264465), (97, 2007670), (115, 1693426), (145, 1343062), (161, 1209590), (194, 1003835), (203, 959330), (215, 905786), (230, 846713), (290, 671531), (301, 646990), (322, 604795), (406, 479665), (430, 452893), (485, 401534), (602, 323495), (667, 291970), (679, 286810), (805, 241918), (970, 200767), (989, 196910), (1015, 191866), (1247, 156170), (1334, 145985), (1358, 143405), (1505, 129398), (1610, 120959), (1978, 98455), (2030, 95933), (2231, 87290), (2494, 78085), (2813, 69230), (3010, 64699), (3335, 58394), (3395, 57362), (4171, 46690), (4462, 43645), (4669, 41710), (4945, 39382), (5626, 34615), (6235, 31234), (6670, 29197), (6790, 28681), (6923, 28130), (8342, 23345), (8729, 22310), (9338, 20855), (9890, 19691), (11155, 17458), (12470, 15617), (13846, 14065)]