489702990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:658

約数の個数: 128

約数和(自身を含む): 1400094720

約数和(自身を除く): 910391730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 191, 203, 210, 290, 382, 406, 421, 435, 573, 609, 842, 870, 955, 1015, 1146, 1218, 1263, 1337, 1910, 2030, 2105, 2526, 2674, 2865, 2947, 3045, 4011, 4210, 5539, 5730, 5894, 6090, 6315, 6685, 8022, 8841, 11078, 12209, 12630, 13370, 14735, 16617, 17682, 20055, 24418, 27695, 29470, 33234, 36627, 38773, 40110, 44205, 55390, 61045, 73254, 77546, 80411, 83085, 85463, 88410, 116319, 122090, 160822, 166170, 170926, 183135, 193865, 232638, 241233, 256389, 366270, 387730, 402055, 427315, 482466, 512778, 562877, 581595, 804110, 854630, 1125754, 1163190, 1206165, 1281945, 1688631, 2331919, 2412330, 2563890, 2814385, 3377262, 4663838, 5628770, 6995757, 8443155, 11659595, 13991514, 16323433, 16886310, 23319190, 32646866, 34978785, 48970299, 69957570, 81617165, 97940598, 163234330, 244851495, 489702990]

約数ペア:

[(1, 489702990), (2, 244851495), (3, 163234330), (5, 97940598), (6, 81617165), (7, 69957570), (10, 48970299), (14, 34978785), (15, 32646866), (21, 23319190), (29, 16886310), (30, 16323433), (35, 13991514), (42, 11659595), (58, 8443155), (70, 6995757), (87, 5628770), (105, 4663838), (145, 3377262), (174, 2814385), (191, 2563890), (203, 2412330), (210, 2331919), (290, 1688631), (382, 1281945), (406, 1206165), (421, 1163190), (435, 1125754), (573, 854630), (609, 804110), (842, 581595), (870, 562877), (955, 512778), (1015, 482466), (1146, 427315), (1218, 402055), (1263, 387730), (1337, 366270), (1910, 256389), (2030, 241233), (2105, 232638), (2526, 193865), (2674, 183135), (2865, 170926), (2947, 166170), (3045, 160822), (4011, 122090), (4210, 116319), (5539, 88410), (5730, 85463), (5894, 83085), (6090, 80411), (6315, 77546), (6685, 73254), (8022, 61045), (8841, 55390), (11078, 44205), (12209, 40110), (12630, 38773), (13370, 36627), (14735, 33234), (16617, 29470), (17682, 27695), (20055, 24418)]