30990050

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 72912000

約数和(自身を除く): 41921950

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 139, 175, 182, 245, 278, 325, 343, 350, 455, 490, 637, 650, 686, 695, 910, 973, 1225, 1274, 1390, 1715, 1807, 1946, 2275, 2450, 3185, 3430, 3475, 3614, 4459, 4550, 4865, 6370, 6811, 6950, 8575, 8918, 9035, 9730, 12649, 13622, 15925, 17150, 18070, 22295, 24325, 25298, 31850, 34055, 44590, 45175, 47677, 48650, 63245, 68110, 88543, 90350, 95354, 111475, 126490, 170275, 177086, 222950, 238385, 316225, 340550, 442715, 476770, 619801, 632450, 885430, 1191925, 1239602, 2213575, 2383850, 3099005, 4427150, 6198010, 15495025, 30990050]

約数ペア:

[(1, 30990050), (2, 15495025), (5, 6198010), (7, 4427150), (10, 3099005), (13, 2383850), (14, 2213575), (25, 1239602), (26, 1191925), (35, 885430), (49, 632450), (50, 619801), (65, 476770), (70, 442715), (91, 340550), (98, 316225), (130, 238385), (139, 222950), (175, 177086), (182, 170275), (245, 126490), (278, 111475), (325, 95354), (343, 90350), (350, 88543), (455, 68110), (490, 63245), (637, 48650), (650, 47677), (686, 45175), (695, 44590), (910, 34055), (973, 31850), (1225, 25298), (1274, 24325), (1390, 22295), (1715, 18070), (1807, 17150), (1946, 15925), (2275, 13622), (2450, 12649), (3185, 9730), (3430, 9035), (3475, 8918), (3614, 8575), (4459, 6950), (4550, 6811), (4865, 6370)]