203940940

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 519507072

約数和(自身を除く): 315566132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 137, 140, 155, 196, 217, 245, 274, 310, 343, 434, 490, 548, 620, 685, 686, 868, 959, 980, 1085, 1370, 1372, 1519, 1715, 1918, 2170, 2401, 2740, 3038, 3430, 3836, 4247, 4340, 4795, 4802, 6076, 6713, 6860, 7595, 8494, 9590, 9604, 10633, 12005, 13426, 15190, 16988, 19180, 21235, 21266, 24010, 26852, 29729, 30380, 33565, 42470, 42532, 46991, 48020, 53165, 59458, 67130, 74431, 84940, 93982, 106330, 118916, 134260, 148645, 148862, 187964, 208103, 212660, 234955, 297290, 297724, 328937, 372155, 416206, 469910, 594580, 657874, 744310, 832412, 939820, 1040515, 1315748, 1456721, 1488620, 1644685, 2081030, 2913442, 3289370, 4162060, 5826884, 6578740, 7283605, 10197047, 14567210, 20394094, 29134420, 40788188, 50985235, 101970470, 203940940]

約数ペア:

[(1, 203940940), (2, 101970470), (4, 50985235), (5, 40788188), (7, 29134420), (10, 20394094), (14, 14567210), (20, 10197047), (28, 7283605), (31, 6578740), (35, 5826884), (49, 4162060), (62, 3289370), (70, 2913442), (98, 2081030), (124, 1644685), (137, 1488620), (140, 1456721), (155, 1315748), (196, 1040515), (217, 939820), (245, 832412), (274, 744310), (310, 657874), (343, 594580), (434, 469910), (490, 416206), (548, 372155), (620, 328937), (685, 297724), (686, 297290), (868, 234955), (959, 212660), (980, 208103), (1085, 187964), (1370, 148862), (1372, 148645), (1519, 134260), (1715, 118916), (1918, 106330), (2170, 93982), (2401, 84940), (2740, 74431), (3038, 67130), (3430, 59458), (3836, 53165), (4247, 48020), (4340, 46991), (4795, 42532), (4802, 42470), (6076, 33565), (6713, 30380), (6860, 29729), (7595, 26852), (8494, 24010), (9590, 21266), (9604, 21235), (10633, 19180), (12005, 16988), (13426, 15190)]