213371900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 568296960

約数和(自身を除く): 354925060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 61, 70, 76, 95, 100, 122, 133, 140, 175, 190, 244, 263, 266, 305, 350, 380, 427, 475, 526, 532, 610, 665, 700, 854, 950, 1052, 1159, 1220, 1315, 1330, 1525, 1708, 1841, 1900, 2135, 2318, 2630, 2660, 3050, 3325, 3682, 4270, 4636, 4997, 5260, 5795, 6100, 6575, 6650, 7364, 8113, 8540, 9205, 9994, 10675, 11590, 13150, 13300, 16043, 16226, 18410, 19988, 21350, 23180, 24985, 26300, 28975, 32086, 32452, 34979, 36820, 40565, 42700, 46025, 49970, 57950, 64172, 69958, 80215, 81130, 92050, 99940, 112301, 115900, 124925, 139916, 160430, 162260, 174895, 184100, 202825, 224602, 249850, 304817, 320860, 349790, 401075, 405650, 449204, 499700, 561505, 609634, 699580, 802150, 811300, 874475, 1123010, 1219268, 1524085, 1604300, 1748950, 2133719, 2246020, 2807525, 3048170, 3497900, 4267438, 5615050, 6096340, 7620425, 8534876, 10668595, 11230100, 15240850, 21337190, 30481700, 42674380, 53342975, 106685950, 213371900]

約数ペア:

[(1, 213371900), (2, 106685950), (4, 53342975), (5, 42674380), (7, 30481700), (10, 21337190), (14, 15240850), (19, 11230100), (20, 10668595), (25, 8534876), (28, 7620425), (35, 6096340), (38, 5615050), (50, 4267438), (61, 3497900), (70, 3048170), (76, 2807525), (95, 2246020), (100, 2133719), (122, 1748950), (133, 1604300), (140, 1524085), (175, 1219268), (190, 1123010), (244, 874475), (263, 811300), (266, 802150), (305, 699580), (350, 609634), (380, 561505), (427, 499700), (475, 449204), (526, 405650), (532, 401075), (610, 349790), (665, 320860), (700, 304817), (854, 249850), (950, 224602), (1052, 202825), (1159, 184100), (1220, 174895), (1315, 162260), (1330, 160430), (1525, 139916), (1708, 124925), (1841, 115900), (1900, 112301), (2135, 99940), (2318, 92050), (2630, 81130), (2660, 80215), (3050, 69958), (3325, 64172), (3682, 57950), (4270, 49970), (4636, 46025), (4997, 42700), (5260, 40565), (5795, 36820), (6100, 34979), (6575, 32452), (6650, 32086), (7364, 28975), (8113, 26300), (8540, 24985), (9205, 23180), (9994, 21350), (10675, 19988), (11590, 18410), (13150, 16226), (13300, 16043)]