39840150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 96

約数和(自身を含む): 118920960

約数和(自身を除く): 79080810

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 133, 150, 175, 190, 210, 266, 285, 350, 399, 475, 525, 570, 665, 798, 950, 1050, 1330, 1425, 1995, 1997, 2850, 3325, 3990, 3994, 5991, 6650, 9975, 9985, 11982, 13979, 19950, 19970, 27958, 29955, 37943, 41937, 49925, 59910, 69895, 75886, 83874, 99850, 113829, 139790, 149775, 189715, 209685, 227658, 265601, 299550, 349475, 379430, 419370, 531202, 569145, 698950, 796803, 948575, 1048425, 1138290, 1328005, 1593606, 1897150, 2096850, 2656010, 2845725, 3984015, 5691450, 6640025, 7968030, 13280050, 19920075, 39840150]

約数ペア:

[(1, 39840150), (2, 19920075), (3, 13280050), (5, 7968030), (6, 6640025), (7, 5691450), (10, 3984015), (14, 2845725), (15, 2656010), (19, 2096850), (21, 1897150), (25, 1593606), (30, 1328005), (35, 1138290), (38, 1048425), (42, 948575), (50, 796803), (57, 698950), (70, 569145), (75, 531202), (95, 419370), (105, 379430), (114, 349475), (133, 299550), (150, 265601), (175, 227658), (190, 209685), (210, 189715), (266, 149775), (285, 139790), (350, 113829), (399, 99850), (475, 83874), (525, 75886), (570, 69895), (665, 59910), (798, 49925), (950, 41937), (1050, 37943), (1330, 29955), (1425, 27958), (1995, 19970), (1997, 19950), (2850, 13979), (3325, 11982), (3990, 9985), (3994, 9975), (5991, 6650)]