418584400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:929

約数の個数: 120

約数和(自身を含む): 1095101784

約数和(自身を除く): 676517384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 101, 104, 130, 200, 202, 208, 260, 325, 400, 404, 505, 520, 650, 797, 808, 1010, 1040, 1300, 1313, 1594, 1616, 2020, 2525, 2600, 2626, 3188, 3985, 4040, 5050, 5200, 5252, 6376, 6565, 7970, 8080, 10100, 10361, 10504, 12752, 13130, 15940, 19925, 20200, 20722, 21008, 26260, 31880, 32825, 39850, 40400, 41444, 51805, 52520, 63760, 65650, 79700, 80497, 82888, 103610, 105040, 131300, 159400, 160994, 165776, 207220, 259025, 262600, 318800, 321988, 402485, 414440, 518050, 525200, 643976, 804970, 828880, 1036100, 1046461, 1287952, 1609940, 2012425, 2072200, 2092922, 3219880, 4024850, 4144400, 4185844, 5232305, 6439760, 8049700, 8371688, 10464610, 16099400, 16743376, 20929220, 26161525, 32198800, 41858440, 52323050, 83716880, 104646100, 209292200, 418584400]

約数ペア:

[(1, 418584400), (2, 209292200), (4, 104646100), (5, 83716880), (8, 52323050), (10, 41858440), (13, 32198800), (16, 26161525), (20, 20929220), (25, 16743376), (26, 16099400), (40, 10464610), (50, 8371688), (52, 8049700), (65, 6439760), (80, 5232305), (100, 4185844), (101, 4144400), (104, 4024850), (130, 3219880), (200, 2092922), (202, 2072200), (208, 2012425), (260, 1609940), (325, 1287952), (400, 1046461), (404, 1036100), (505, 828880), (520, 804970), (650, 643976), (797, 525200), (808, 518050), (1010, 414440), (1040, 402485), (1300, 321988), (1313, 318800), (1594, 262600), (1616, 259025), (2020, 207220), (2525, 165776), (2600, 160994), (2626, 159400), (3188, 131300), (3985, 105040), (4040, 103610), (5050, 82888), (5200, 80497), (5252, 79700), (6376, 65650), (6565, 63760), (7970, 52520), (8080, 51805), (10100, 41444), (10361, 40400), (10504, 39850), (12752, 32825), (13130, 31880), (15940, 26260), (19925, 21008), (20200, 20722)]