12380491700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{17909}}^1$

素因数の和:18177

約数の個数: 72

約数和(自身を含む): 27858216960

約数和(自身を除く): 15477725260

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 223, 310, 446, 620, 775, 892, 1115, 1550, 2230, 3100, 4460, 5575, 6913, 11150, 13826, 17909, 22300, 27652, 34565, 35818, 69130, 71636, 89545, 138260, 172825, 179090, 345650, 358180, 447725, 555179, 691300, 895450, 1110358, 1790900, 2220716, 2775895, 3993707, 5551790, 7987414, 11103580, 13879475, 15974828, 19968535, 27758950, 39937070, 55517900, 79874140, 99842675, 123804917, 199685350, 247609834, 399370700, 495219668, 619024585, 1238049170, 2476098340, 3095122925, 6190245850, 12380491700]

約数ペア:

[(1, 12380491700), (2, 6190245850), (4, 3095122925), (5, 2476098340), (10, 1238049170), (20, 619024585), (25, 495219668), (31, 399370700), (50, 247609834), (62, 199685350), (100, 123804917), (124, 99842675), (155, 79874140), (223, 55517900), (310, 39937070), (446, 27758950), (620, 19968535), (775, 15974828), (892, 13879475), (1115, 11103580), (1550, 7987414), (2230, 5551790), (3100, 3993707), (4460, 2775895), (5575, 2220716), (6913, 1790900), (11150, 1110358), (13826, 895450), (17909, 691300), (22300, 555179), (27652, 447725), (34565, 358180), (35818, 345650), (69130, 179090), (71636, 172825), (89545, 138260)]