31406850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1072

約数の個数: 72

約数和(自身を含む): 85655232

約数和(自身を除く): 54248382

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 710, 983, 1065, 1278, 1775, 1966, 2130, 2949, 3195, 3550, 4915, 5325, 5898, 6390, 8847, 9830, 10650, 14745, 15975, 17694, 24575, 29490, 31950, 44235, 49150, 69793, 73725, 88470, 139586, 147450, 209379, 221175, 348965, 418758, 442350, 628137, 697930, 1046895, 1256274, 1744825, 2093790, 3140685, 3489650, 5234475, 6281370, 10468950, 15703425, 31406850]

約数ペア:

[(1, 31406850), (2, 15703425), (3, 10468950), (5, 6281370), (6, 5234475), (9, 3489650), (10, 3140685), (15, 2093790), (18, 1744825), (25, 1256274), (30, 1046895), (45, 697930), (50, 628137), (71, 442350), (75, 418758), (90, 348965), (142, 221175), (150, 209379), (213, 147450), (225, 139586), (355, 88470), (426, 73725), (450, 69793), (639, 49150), (710, 44235), (983, 31950), (1065, 29490), (1278, 24575), (1775, 17694), (1966, 15975), (2130, 14745), (2949, 10650), (3195, 9830), (3550, 8847), (4915, 6390), (5325, 5898)]