31599700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1249}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 78120000

約数和(自身を除く): 46520300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1249, 1265, 2300, 2498, 2530, 4996, 5060, 6245, 6325, 12490, 12650, 13739, 24980, 25300, 27478, 28727, 31225, 54956, 57454, 62450, 68695, 114908, 124900, 137390, 143635, 274780, 287270, 315997, 343475, 574540, 631994, 686950, 718175, 1263988, 1373900, 1436350, 1579985, 2872700, 3159970, 6319940, 7899925, 15799850, 31599700]

約数ペア:

[(1, 31599700), (2, 15799850), (4, 7899925), (5, 6319940), (10, 3159970), (11, 2872700), (20, 1579985), (22, 1436350), (23, 1373900), (25, 1263988), (44, 718175), (46, 686950), (50, 631994), (55, 574540), (92, 343475), (100, 315997), (110, 287270), (115, 274780), (220, 143635), (230, 137390), (253, 124900), (275, 114908), (460, 68695), (506, 62450), (550, 57454), (575, 54956), (1012, 31225), (1100, 28727), (1150, 27478), (1249, 25300), (1265, 24980), (2300, 13739), (2498, 12650), (2530, 12490), (4996, 6325), (5060, 6245)]