217438340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{50101}}^1$

素因数の和:50148

約数の個数: 48

約数和(自身を含む): 538696704

約数和(自身を除く): 321258364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 50101, 100202, 200404, 250505, 350707, 501010, 701414, 1002020, 1402828, 1553131, 1753535, 3106262, 3507070, 6212524, 7014140, 7765655, 10871917, 15531310, 21743834, 31062620, 43487668, 54359585, 108719170, 217438340]

約数ペア:

[(1, 217438340), (2, 108719170), (4, 54359585), (5, 43487668), (7, 31062620), (10, 21743834), (14, 15531310), (20, 10871917), (28, 7765655), (31, 7014140), (35, 6212524), (62, 3507070), (70, 3106262), (124, 1753535), (140, 1553131), (155, 1402828), (217, 1002020), (310, 701414), (434, 501010), (620, 350707), (868, 250505), (1085, 200404), (2170, 100202), (4340, 50101)]