990199210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3191}}^1$

素因数の和:3260

約数の個数: 128

約数和(自身を含む): 2471067648

約数和(自身を除く): 1480868438

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 31, 35, 55, 62, 65, 70, 77, 91, 110, 130, 143, 154, 155, 182, 217, 286, 310, 341, 385, 403, 434, 455, 682, 715, 770, 806, 910, 1001, 1085, 1430, 1705, 2002, 2015, 2170, 2387, 2821, 3191, 3410, 4030, 4433, 4774, 5005, 5642, 6382, 8866, 10010, 11935, 14105, 15955, 22165, 22337, 23870, 28210, 31031, 31910, 35101, 41483, 44330, 44674, 62062, 70202, 82966, 98921, 111685, 155155, 175505, 197842, 207415, 223370, 245707, 290381, 310310, 351010, 414830, 456313, 491414, 494605, 580762, 692447, 912626, 989210, 1088131, 1228535, 1285973, 1384894, 1451905, 2176262, 2281565, 2457070, 2571946, 2903810, 3194191, 3462235, 4563130, 5440655, 6388382, 6429865, 6924470, 7616917, 9001811, 10881310, 12859730, 14145703, 15233834, 15970955, 18003622, 28291406, 31941910, 38084585, 45009055, 70728515, 76169170, 90018110, 99019921, 141457030, 198039842, 495099605, 990199210]

約数ペア:

[(1, 990199210), (2, 495099605), (5, 198039842), (7, 141457030), (10, 99019921), (11, 90018110), (13, 76169170), (14, 70728515), (22, 45009055), (26, 38084585), (31, 31941910), (35, 28291406), (55, 18003622), (62, 15970955), (65, 15233834), (70, 14145703), (77, 12859730), (91, 10881310), (110, 9001811), (130, 7616917), (143, 6924470), (154, 6429865), (155, 6388382), (182, 5440655), (217, 4563130), (286, 3462235), (310, 3194191), (341, 2903810), (385, 2571946), (403, 2457070), (434, 2281565), (455, 2176262), (682, 1451905), (715, 1384894), (770, 1285973), (806, 1228535), (910, 1088131), (1001, 989210), (1085, 912626), (1430, 692447), (1705, 580762), (2002, 494605), (2015, 491414), (2170, 456313), (2387, 414830), (2821, 351010), (3191, 310310), (3410, 290381), (4030, 245707), (4433, 223370), (4774, 207415), (5005, 197842), (5642, 175505), (6382, 155155), (8866, 111685), (10010, 98921), (11935, 82966), (14105, 70202), (15955, 62062), (22165, 44674), (22337, 44330), (23870, 41483), (28210, 35101), (31031, 31910)]