74938780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{557}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 186175584

約数和(自身を除く): 111236804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 557, 620, 868, 961, 1085, 1114, 1922, 2170, 2228, 2785, 3844, 3899, 4340, 4805, 5570, 6727, 7798, 9610, 11140, 13454, 15596, 17267, 19220, 19495, 26908, 33635, 34534, 38990, 67270, 69068, 77980, 86335, 120869, 134540, 172670, 241738, 345340, 483476, 535277, 604345, 1070554, 1208690, 2141108, 2417380, 2676385, 3746939, 5352770, 7493878, 10705540, 14987756, 18734695, 37469390, 74938780]

約数ペア:

[(1, 74938780), (2, 37469390), (4, 18734695), (5, 14987756), (7, 10705540), (10, 7493878), (14, 5352770), (20, 3746939), (28, 2676385), (31, 2417380), (35, 2141108), (62, 1208690), (70, 1070554), (124, 604345), (140, 535277), (155, 483476), (217, 345340), (310, 241738), (434, 172670), (557, 134540), (620, 120869), (868, 86335), (961, 77980), (1085, 69068), (1114, 67270), (1922, 38990), (2170, 34534), (2228, 33635), (2785, 26908), (3844, 19495), (3899, 19220), (4340, 17267), (4805, 15596), (5570, 13454), (6727, 11140), (7798, 9610)]