447977900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 1074597888

約数和(自身を除く): 626619988

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 61, 62, 92, 100, 103, 115, 122, 124, 155, 206, 230, 244, 305, 310, 412, 460, 515, 575, 610, 620, 713, 775, 1030, 1150, 1220, 1403, 1426, 1525, 1550, 1891, 2060, 2300, 2369, 2575, 2806, 2852, 3050, 3100, 3193, 3565, 3782, 4738, 5150, 5612, 6100, 6283, 6386, 7015, 7130, 7564, 9455, 9476, 10300, 11845, 12566, 12772, 14030, 14260, 15965, 17825, 18910, 23690, 25132, 28060, 31415, 31930, 35075, 35650, 37820, 43493, 47275, 47380, 59225, 62830, 63860, 70150, 71300, 73439, 79825, 86986, 94550, 118450, 125660, 140300, 144509, 146878, 157075, 159650, 173972, 189100, 194773, 217465, 236900, 289018, 293756, 314150, 319300, 367195, 389546, 434930, 578036, 628300, 722545, 734390, 779092, 869860, 973865, 1087325, 1445090, 1468780, 1835975, 1947730, 2174650, 2890180, 3612725, 3671950, 3895460, 4349300, 4479779, 4869325, 7225450, 7343900, 8959558, 9738650, 14450900, 17919116, 19477300, 22398895, 44797790, 89595580, 111994475, 223988950, 447977900]

約数ペア:

[(1, 447977900), (2, 223988950), (4, 111994475), (5, 89595580), (10, 44797790), (20, 22398895), (23, 19477300), (25, 17919116), (31, 14450900), (46, 9738650), (50, 8959558), (61, 7343900), (62, 7225450), (92, 4869325), (100, 4479779), (103, 4349300), (115, 3895460), (122, 3671950), (124, 3612725), (155, 2890180), (206, 2174650), (230, 1947730), (244, 1835975), (305, 1468780), (310, 1445090), (412, 1087325), (460, 973865), (515, 869860), (575, 779092), (610, 734390), (620, 722545), (713, 628300), (775, 578036), (1030, 434930), (1150, 389546), (1220, 367195), (1403, 319300), (1426, 314150), (1525, 293756), (1550, 289018), (1891, 236900), (2060, 217465), (2300, 194773), (2369, 189100), (2575, 173972), (2806, 159650), (2852, 157075), (3050, 146878), (3100, 144509), (3193, 140300), (3565, 125660), (3782, 118450), (4738, 94550), (5150, 86986), (5612, 79825), (6100, 73439), (6283, 71300), (6386, 70150), (7015, 63860), (7130, 62830), (7564, 59225), (9455, 47380), (9476, 47275), (10300, 43493), (11845, 37820), (12566, 35650), (12772, 35075), (14030, 31930), (14260, 31415), (15965, 28060), (17825, 25132), (18910, 23690)]