201996860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3023}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 458752896

約数和(自身を除く): 256756036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 2570, 3023, 3341, 5140, 6046, 6682, 12092, 13364, 15115, 16705, 30230, 33410, 39299, 60460, 66820, 78598, 157196, 196495, 392990, 776911, 785980, 1553822, 3107644, 3884555, 7769110, 10099843, 15538220, 20199686, 40399372, 50499215, 100998430, 201996860]

約数ペア:

[(1, 201996860), (2, 100998430), (4, 50499215), (5, 40399372), (10, 20199686), (13, 15538220), (20, 10099843), (26, 7769110), (52, 3884555), (65, 3107644), (130, 1553822), (257, 785980), (260, 776911), (514, 392990), (1028, 196495), (1285, 157196), (2570, 78598), (3023, 66820), (3341, 60460), (5140, 39299), (6046, 33410), (6682, 30230), (12092, 16705), (13364, 15115)]