28905100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:392

約数の個数: 108

約数和(自身を含む): 77479416

約数和(自身を除く): 48574316

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 49, 50, 68, 70, 85, 98, 100, 119, 140, 170, 175, 196, 238, 245, 340, 347, 350, 425, 476, 490, 595, 694, 700, 833, 850, 980, 1190, 1225, 1388, 1666, 1700, 1735, 2380, 2429, 2450, 2975, 3332, 3470, 4165, 4858, 4900, 5899, 5950, 6940, 8330, 8675, 9716, 11798, 11900, 12145, 16660, 17003, 17350, 20825, 23596, 24290, 29495, 34006, 34700, 41293, 41650, 48580, 58990, 60725, 68012, 82586, 83300, 85015, 117980, 121450, 147475, 165172, 170030, 206465, 242900, 289051, 294950, 340060, 412930, 425075, 578102, 589900, 825860, 850150, 1032325, 1156204, 1445255, 1700300, 2064650, 2890510, 4129300, 5781020, 7226275, 14452550, 28905100]

約数ペア:

[(1, 28905100), (2, 14452550), (4, 7226275), (5, 5781020), (7, 4129300), (10, 2890510), (14, 2064650), (17, 1700300), (20, 1445255), (25, 1156204), (28, 1032325), (34, 850150), (35, 825860), (49, 589900), (50, 578102), (68, 425075), (70, 412930), (85, 340060), (98, 294950), (100, 289051), (119, 242900), (140, 206465), (170, 170030), (175, 165172), (196, 147475), (238, 121450), (245, 117980), (340, 85015), (347, 83300), (350, 82586), (425, 68012), (476, 60725), (490, 58990), (595, 48580), (694, 41650), (700, 41293), (833, 34700), (850, 34006), (980, 29495), (1190, 24290), (1225, 23596), (1388, 20825), (1666, 17350), (1700, 17003), (1735, 16660), (2380, 12145), (2429, 11900), (2450, 11798), (2975, 9716), (3332, 8675), (3470, 8330), (4165, 6940), (4858, 5950), (4900, 5899)]