42970340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9948

約数の個数: 48

約数和(自身を含む): 106466304

約数和(自身を除く): 63495964

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, 9901, 19802, 39604, 49505, 69307, 99010, 138614, 198020, 277228, 306931, 346535, 613862, 693070, 1227724, 1386140, 1534655, 2148517, 3069310, 4297034, 6138620, 8594068, 10742585, 21485170, 42970340]

約数ペア:

[(1, 42970340), (2, 21485170), (4, 10742585), (5, 8594068), (7, 6138620), (10, 4297034), (14, 3069310), (20, 2148517), (28, 1534655), (31, 1386140), (35, 1227724), (62, 693070), (70, 613862), (124, 346535), (140, 306931), (155, 277228), (217, 198020), (310, 138614), (434, 99010), (620, 69307), (868, 49505), (1085, 39604), (2170, 19802), (4340, 9901)]