20214291750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{1489}}^1$

素因数の和:2319

約数の個数: 128

約数和(自身を含む): 52750863360

約数和(自身を除く): 32536571610

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 125, 138, 150, 230, 250, 345, 375, 575, 690, 750, 787, 1150, 1489, 1574, 1725, 2361, 2875, 2978, 3450, 3935, 4467, 4722, 5750, 7445, 7870, 8625, 8934, 11805, 14890, 17250, 18101, 19675, 22335, 23610, 34247, 36202, 37225, 39350, 44670, 54303, 59025, 68494, 74450, 90505, 98375, 102741, 108606, 111675, 118050, 171235, 181010, 186125, 196750, 205482, 223350, 271515, 295125, 342470, 372250, 452525, 513705, 543030, 558375, 590250, 856175, 905050, 1027410, 1116750, 1171843, 1357575, 1712350, 2262625, 2343686, 2568525, 2715150, 3515529, 4280875, 4525250, 5137050, 5859215, 6787875, 7031058, 8561750, 11718430, 12842625, 13575750, 17577645, 25685250, 26952389, 29296075, 35155290, 53904778, 58592150, 80857167, 87888225, 134761945, 146480375, 161714334, 175776450, 269523890, 292960750, 404285835, 439441125, 673809725, 808571670, 878882250, 1347619450, 2021429175, 3369048625, 4042858350, 6738097250, 10107145875, 20214291750]

約数ペア:

[(1, 20214291750), (2, 10107145875), (3, 6738097250), (5, 4042858350), (6, 3369048625), (10, 2021429175), (15, 1347619450), (23, 878882250), (25, 808571670), (30, 673809725), (46, 439441125), (50, 404285835), (69, 292960750), (75, 269523890), (115, 175776450), (125, 161714334), (138, 146480375), (150, 134761945), (230, 87888225), (250, 80857167), (345, 58592150), (375, 53904778), (575, 35155290), (690, 29296075), (750, 26952389), (787, 25685250), (1150, 17577645), (1489, 13575750), (1574, 12842625), (1725, 11718430), (2361, 8561750), (2875, 7031058), (2978, 6787875), (3450, 5859215), (3935, 5137050), (4467, 4525250), (4722, 4280875), (5750, 3515529), (7445, 2715150), (7870, 2568525), (8625, 2343686), (8934, 2262625), (11805, 1712350), (14890, 1357575), (17250, 1171843), (18101, 1116750), (19675, 1027410), (22335, 905050), (23610, 856175), (34247, 590250), (36202, 558375), (37225, 543030), (39350, 513705), (44670, 452525), (54303, 372250), (59025, 342470), (68494, 295125), (74450, 271515), (90505, 223350), (98375, 205482), (102741, 196750), (108606, 186125), (111675, 181010), (118050, 171235)]