288515140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{9901}}^1$

素因数の和:9988

約数の個数: 48

約数和(自身を含む): 638797824

約数和(自身を除く): 350282684

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2914, 5828, 7285, 9901, 14570, 19802, 29140, 39604, 49505, 99010, 198020, 306931, 465347, 613862, 930694, 1227724, 1534655, 1861388, 2326735, 3069310, 4653470, 6138620, 9306940, 14425757, 28851514, 57703028, 72128785, 144257570, 288515140]

約数ペア:

[(1, 288515140), (2, 144257570), (4, 72128785), (5, 57703028), (10, 28851514), (20, 14425757), (31, 9306940), (47, 6138620), (62, 4653470), (94, 3069310), (124, 2326735), (155, 1861388), (188, 1534655), (235, 1227724), (310, 930694), (470, 613862), (620, 465347), (940, 306931), (1457, 198020), (2914, 99010), (5828, 49505), (7285, 39604), (9901, 29140), (14570, 19802)]