31302700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 108

約数和(自身を含む): 80810800

約数和(自身を除く): 49508100

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 121, 130, 143, 199, 220, 242, 260, 275, 286, 325, 398, 484, 550, 572, 605, 650, 715, 796, 995, 1100, 1210, 1300, 1430, 1573, 1990, 2189, 2420, 2587, 2860, 3025, 3146, 3575, 3980, 4378, 4975, 5174, 6050, 6292, 7150, 7865, 8756, 9950, 10348, 10945, 12100, 12935, 14300, 15730, 19900, 21890, 24079, 25870, 28457, 31460, 39325, 43780, 48158, 51740, 54725, 56914, 64675, 78650, 96316, 109450, 113828, 120395, 129350, 142285, 157300, 218900, 240790, 258700, 284570, 313027, 481580, 569140, 601975, 626054, 711425, 1203950, 1252108, 1422850, 1565135, 2407900, 2845700, 3130270, 6260540, 7825675, 15651350, 31302700]

約数ペア:

[(1, 31302700), (2, 15651350), (4, 7825675), (5, 6260540), (10, 3130270), (11, 2845700), (13, 2407900), (20, 1565135), (22, 1422850), (25, 1252108), (26, 1203950), (44, 711425), (50, 626054), (52, 601975), (55, 569140), (65, 481580), (100, 313027), (110, 284570), (121, 258700), (130, 240790), (143, 218900), (199, 157300), (220, 142285), (242, 129350), (260, 120395), (275, 113828), (286, 109450), (325, 96316), (398, 78650), (484, 64675), (550, 56914), (572, 54725), (605, 51740), (650, 48158), (715, 43780), (796, 39325), (995, 31460), (1100, 28457), (1210, 25870), (1300, 24079), (1430, 21890), (1573, 19900), (1990, 15730), (2189, 14300), (2420, 12935), (2587, 12100), (2860, 10945), (3025, 10348), (3146, 9950), (3575, 8756), (3980, 7865), (4378, 7150), (4975, 6292), (5174, 6050)]