209440980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1471}}^1$

素因数の和:1606

約数の個数: 144

約数和(自身を含む): 732985344

約数和(自身を除く): 523544364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 180, 210, 226, 252, 315, 339, 420, 452, 565, 630, 678, 791, 1017, 1130, 1260, 1356, 1471, 1582, 1695, 2034, 2260, 2373, 2942, 3164, 3390, 3955, 4068, 4413, 4746, 5085, 5884, 6780, 7119, 7355, 7910, 8826, 9492, 10170, 10297, 11865, 13239, 14238, 14710, 15820, 17652, 20340, 20594, 22065, 23730, 26478, 28476, 29420, 30891, 35595, 41188, 44130, 47460, 51485, 52956, 61782, 66195, 71190, 88260, 92673, 102970, 123564, 132390, 142380, 154455, 166223, 185346, 205940, 264780, 308910, 332446, 370692, 463365, 498669, 617820, 664892, 831115, 926730, 997338, 1163561, 1496007, 1662230, 1853460, 1994676, 2327122, 2493345, 2992014, 3324460, 3490683, 4654244, 4986690, 5817805, 5984028, 6981366, 7480035, 9973380, 10472049, 11635610, 13962732, 14960070, 17453415, 20944098, 23271220, 29920140, 34906830, 41888196, 52360245, 69813660, 104720490, 209440980]

約数ペア:

[(1, 209440980), (2, 104720490), (3, 69813660), (4, 52360245), (5, 41888196), (6, 34906830), (7, 29920140), (9, 23271220), (10, 20944098), (12, 17453415), (14, 14960070), (15, 13962732), (18, 11635610), (20, 10472049), (21, 9973380), (28, 7480035), (30, 6981366), (35, 5984028), (36, 5817805), (42, 4986690), (45, 4654244), (60, 3490683), (63, 3324460), (70, 2992014), (84, 2493345), (90, 2327122), (105, 1994676), (113, 1853460), (126, 1662230), (140, 1496007), (180, 1163561), (210, 997338), (226, 926730), (252, 831115), (315, 664892), (339, 617820), (420, 498669), (452, 463365), (565, 370692), (630, 332446), (678, 308910), (791, 264780), (1017, 205940), (1130, 185346), (1260, 166223), (1356, 154455), (1471, 142380), (1582, 132390), (1695, 123564), (2034, 102970), (2260, 92673), (2373, 88260), (2942, 71190), (3164, 66195), (3390, 61782), (3955, 52956), (4068, 51485), (4413, 47460), (4746, 44130), (5085, 41188), (5884, 35595), (6780, 30891), (7119, 29420), (7355, 28476), (7910, 26478), (8826, 23730), (9492, 22065), (10170, 20594), (10297, 20340), (11865, 17652), (13239, 15820), (14238, 14710)]