31497900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 106493184

約数和(自身を除く): 74995284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 53, 60, 70, 75, 84, 100, 105, 106, 140, 150, 159, 175, 210, 212, 265, 283, 300, 318, 350, 371, 420, 525, 530, 566, 636, 700, 742, 795, 849, 1050, 1060, 1113, 1132, 1325, 1415, 1484, 1590, 1698, 1855, 1981, 2100, 2226, 2650, 2830, 3180, 3396, 3710, 3962, 3975, 4245, 4452, 5300, 5565, 5660, 5943, 7075, 7420, 7924, 7950, 8490, 9275, 9905, 11130, 11886, 14150, 14999, 15900, 16980, 18550, 19810, 21225, 22260, 23772, 27825, 28300, 29715, 29998, 37100, 39620, 42450, 44997, 49525, 55650, 59430, 59996, 74995, 84900, 89994, 99050, 104993, 111300, 118860, 148575, 149990, 179988, 198100, 209986, 224985, 297150, 299980, 314979, 374975, 419972, 449970, 524965, 594300, 629958, 749950, 899940, 1049930, 1124925, 1259916, 1499900, 1574895, 2099860, 2249850, 2624825, 3149790, 4499700, 5249650, 6299580, 7874475, 10499300, 15748950, 31497900]

約数ペア:

[(1, 31497900), (2, 15748950), (3, 10499300), (4, 7874475), (5, 6299580), (6, 5249650), (7, 4499700), (10, 3149790), (12, 2624825), (14, 2249850), (15, 2099860), (20, 1574895), (21, 1499900), (25, 1259916), (28, 1124925), (30, 1049930), (35, 899940), (42, 749950), (50, 629958), (53, 594300), (60, 524965), (70, 449970), (75, 419972), (84, 374975), (100, 314979), (105, 299980), (106, 297150), (140, 224985), (150, 209986), (159, 198100), (175, 179988), (210, 149990), (212, 148575), (265, 118860), (283, 111300), (300, 104993), (318, 99050), (350, 89994), (371, 84900), (420, 74995), (525, 59996), (530, 59430), (566, 55650), (636, 49525), (700, 44997), (742, 42450), (795, 39620), (849, 37100), (1050, 29998), (1060, 29715), (1113, 28300), (1132, 27825), (1325, 23772), (1415, 22260), (1484, 21225), (1590, 19810), (1698, 18550), (1855, 16980), (1981, 15900), (2100, 14999), (2226, 14150), (2650, 11886), (2830, 11130), (3180, 9905), (3396, 9275), (3710, 8490), (3962, 7950), (3975, 7924), (4245, 7420), (4452, 7075), (5300, 5943), (5565, 5660)]