278542290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 750758400

約数和(自身を除く): 472216110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 97, 111, 130, 185, 194, 195, 199, 222, 291, 370, 390, 398, 481, 485, 555, 582, 597, 962, 970, 995, 1110, 1194, 1261, 1443, 1455, 1990, 2405, 2522, 2587, 2886, 2910, 2985, 3589, 3783, 4810, 5174, 5970, 6305, 7178, 7215, 7363, 7566, 7761, 10767, 12610, 12935, 14430, 14726, 15522, 17945, 18915, 19303, 21534, 22089, 25870, 35890, 36815, 37830, 38606, 38805, 44178, 46657, 53835, 57909, 73630, 77610, 93314, 95719, 96515, 107670, 110445, 115818, 139971, 191438, 193030, 220890, 233285, 250939, 279942, 287157, 289545, 466570, 478595, 501878, 574314, 579090, 699855, 714211, 752817, 957190, 1254695, 1399710, 1428422, 1435785, 1505634, 2142633, 2509390, 2871570, 3571055, 3764085, 4285266, 7142110, 7528170, 9284743, 10713165, 18569486, 21426330, 27854229, 46423715, 55708458, 92847430, 139271145, 278542290]

約数ペア:

[(1, 278542290), (2, 139271145), (3, 92847430), (5, 55708458), (6, 46423715), (10, 27854229), (13, 21426330), (15, 18569486), (26, 10713165), (30, 9284743), (37, 7528170), (39, 7142110), (65, 4285266), (74, 3764085), (78, 3571055), (97, 2871570), (111, 2509390), (130, 2142633), (185, 1505634), (194, 1435785), (195, 1428422), (199, 1399710), (222, 1254695), (291, 957190), (370, 752817), (390, 714211), (398, 699855), (481, 579090), (485, 574314), (555, 501878), (582, 478595), (597, 466570), (962, 289545), (970, 287157), (995, 279942), (1110, 250939), (1194, 233285), (1261, 220890), (1443, 193030), (1455, 191438), (1990, 139971), (2405, 115818), (2522, 110445), (2587, 107670), (2886, 96515), (2910, 95719), (2985, 93314), (3589, 77610), (3783, 73630), (4810, 57909), (5174, 53835), (5970, 46657), (6305, 44178), (7178, 38805), (7215, 38606), (7363, 37830), (7566, 36815), (7761, 35890), (10767, 25870), (12610, 22089), (12935, 21534), (14430, 19303), (14726, 18915), (15522, 17945)]