83417900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 189987840

約数和(自身を除く): 106569940

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 284, 310, 355, 379, 620, 710, 758, 775, 1420, 1516, 1550, 1775, 1895, 2201, 3100, 3550, 3790, 4402, 7100, 7580, 8804, 9475, 11005, 11749, 18950, 22010, 23498, 26909, 37900, 44020, 46996, 53818, 55025, 58745, 107636, 110050, 117490, 134545, 220100, 234980, 269090, 293725, 538180, 587450, 672725, 834179, 1174900, 1345450, 1668358, 2690900, 3336716, 4170895, 8341790, 16683580, 20854475, 41708950, 83417900]

約数ペア:

[(1, 83417900), (2, 41708950), (4, 20854475), (5, 16683580), (10, 8341790), (20, 4170895), (25, 3336716), (31, 2690900), (50, 1668358), (62, 1345450), (71, 1174900), (100, 834179), (124, 672725), (142, 587450), (155, 538180), (284, 293725), (310, 269090), (355, 234980), (379, 220100), (620, 134545), (710, 117490), (758, 110050), (775, 107636), (1420, 58745), (1516, 55025), (1550, 53818), (1775, 46996), (1895, 44020), (2201, 37900), (3100, 26909), (3550, 23498), (3790, 22010), (4402, 18950), (7100, 11749), (7580, 11005), (8804, 9475)]