396804980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{12613}}^1$

素因数の和:12657

約数の個数: 72

約数和(自身を含む): 986465256

約数和(自身を除く): 589660276

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 6292, 7865, 12613, 15730, 25226, 31460, 50452, 63065, 126130, 138743, 163969, 252260, 277486, 327938, 554972, 655876, 693715, 819845, 1387430, 1526173, 1639690, 1803659, 2774860, 3052346, 3279380, 3607318, 6104692, 7214636, 7630865, 9018295, 15261730, 18036590, 19840249, 30523460, 36073180, 39680498, 79360996, 99201245, 198402490, 396804980]

約数ペア:

[(1, 396804980), (2, 198402490), (4, 99201245), (5, 79360996), (10, 39680498), (11, 36073180), (13, 30523460), (20, 19840249), (22, 18036590), (26, 15261730), (44, 9018295), (52, 7630865), (55, 7214636), (65, 6104692), (110, 3607318), (121, 3279380), (130, 3052346), (143, 2774860), (220, 1803659), (242, 1639690), (260, 1526173), (286, 1387430), (484, 819845), (572, 693715), (605, 655876), (715, 554972), (1210, 327938), (1430, 277486), (1573, 252260), (2420, 163969), (2860, 138743), (3146, 126130), (6292, 63065), (7865, 50452), (12613, 31460), (15730, 25226)]