28248220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 85349376

約数和(自身を除く): 57101156

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 17, 20, 22, 26, 28, 34, 35, 44, 52, 55, 65, 68, 70, 77, 83, 85, 91, 110, 119, 130, 140, 143, 154, 166, 170, 182, 187, 220, 221, 238, 260, 286, 308, 332, 340, 364, 374, 385, 415, 442, 455, 476, 572, 581, 595, 715, 748, 770, 830, 884, 910, 913, 935, 1001, 1079, 1105, 1162, 1190, 1309, 1411, 1430, 1540, 1547, 1660, 1820, 1826, 1870, 2002, 2158, 2210, 2324, 2380, 2431, 2618, 2822, 2860, 2905, 3094, 3652, 3740, 4004, 4316, 4420, 4565, 4862, 5005, 5236, 5395, 5644, 5810, 6188, 6391, 6545, 7055, 7553, 7735, 9130, 9724, 9877, 10010, 10790, 11620, 11869, 12155, 12782, 13090, 14110, 15106, 15470, 15521, 17017, 18260, 18343, 19754, 20020, 21580, 23738, 24310, 25564, 26180, 28220, 30212, 30940, 31042, 31955, 34034, 36686, 37765, 39508, 47476, 48620, 49385, 59345, 62084, 63910, 68068, 73372, 75530, 77605, 83083, 85085, 91715, 98770, 108647, 118690, 127820, 128401, 151060, 155210, 166166, 170170, 183430, 197540, 201773, 217294, 237380, 256802, 310420, 332332, 340340, 366860, 403546, 415415, 434588, 513604, 543235, 642005, 807092, 830830, 1008865, 1086470, 1284010, 1412411, 1661660, 2017730, 2172940, 2568020, 2824822, 4035460, 5649644, 7062055, 14124110, 28248220]

約数ペア:

[(1, 28248220), (2, 14124110), (4, 7062055), (5, 5649644), (7, 4035460), (10, 2824822), (11, 2568020), (13, 2172940), (14, 2017730), (17, 1661660), (20, 1412411), (22, 1284010), (26, 1086470), (28, 1008865), (34, 830830), (35, 807092), (44, 642005), (52, 543235), (55, 513604), (65, 434588), (68, 415415), (70, 403546), (77, 366860), (83, 340340), (85, 332332), (91, 310420), (110, 256802), (119, 237380), (130, 217294), (140, 201773), (143, 197540), (154, 183430), (166, 170170), (170, 166166), (182, 155210), (187, 151060), (220, 128401), (221, 127820), (238, 118690), (260, 108647), (286, 98770), (308, 91715), (332, 85085), (340, 83083), (364, 77605), (374, 75530), (385, 73372), (415, 68068), (442, 63910), (455, 62084), (476, 59345), (572, 49385), (581, 48620), (595, 47476), (715, 39508), (748, 37765), (770, 36686), (830, 34034), (884, 31955), (910, 31042), (913, 30940), (935, 30212), (1001, 28220), (1079, 26180), (1105, 25564), (1162, 24310), (1190, 23738), (1309, 21580), (1411, 20020), (1430, 19754), (1540, 18343), (1547, 18260), (1660, 17017), (1820, 15521), (1826, 15470), (1870, 15106), (2002, 14110), (2158, 13090), (2210, 12782), (2324, 12155), (2380, 11869), (2431, 11620), (2618, 10790), (2822, 10010), (2860, 9877), (2905, 9724), (3094, 9130), (3652, 7735), (3740, 7553), (4004, 7055), (4316, 6545), (4420, 6391), (4565, 6188), (4862, 5810), (5005, 5644), (5236, 5395)]