214908980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:657

約数の個数: 96

約数和(自身を含む): 534619008

約数和(自身を除く): 319710028

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 163, 220, 260, 286, 326, 461, 572, 652, 715, 815, 922, 1430, 1630, 1793, 1844, 2119, 2305, 2860, 3260, 3586, 4238, 4610, 5071, 5993, 7172, 8476, 8965, 9220, 10142, 10595, 11986, 17930, 20284, 21190, 23309, 23972, 25355, 29965, 35860, 42380, 46618, 50710, 59930, 65923, 75143, 93236, 101420, 116545, 119860, 131846, 150286, 233090, 263692, 300572, 329615, 375715, 466180, 659230, 751430, 826573, 976859, 1318460, 1502860, 1653146, 1953718, 3306292, 3907436, 4132865, 4884295, 8265730, 9768590, 10745449, 16531460, 19537180, 21490898, 42981796, 53727245, 107454490, 214908980]

約数ペア:

[(1, 214908980), (2, 107454490), (4, 53727245), (5, 42981796), (10, 21490898), (11, 19537180), (13, 16531460), (20, 10745449), (22, 9768590), (26, 8265730), (44, 4884295), (52, 4132865), (55, 3907436), (65, 3306292), (110, 1953718), (130, 1653146), (143, 1502860), (163, 1318460), (220, 976859), (260, 826573), (286, 751430), (326, 659230), (461, 466180), (572, 375715), (652, 329615), (715, 300572), (815, 263692), (922, 233090), (1430, 150286), (1630, 131846), (1793, 119860), (1844, 116545), (2119, 101420), (2305, 93236), (2860, 75143), (3260, 65923), (3586, 59930), (4238, 50710), (4610, 46618), (5071, 42380), (5993, 35860), (7172, 29965), (8476, 25355), (8965, 23972), (9220, 23309), (10142, 21190), (10595, 20284), (11986, 17930)]