397486530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 144

約数和(自身を含む): 1211463864

約数和(自身を除く): 813977334

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 173, 210, 245, 294, 315, 346, 441, 490, 519, 521, 630, 735, 865, 882, 1038, 1042, 1211, 1470, 1557, 1563, 1730, 2205, 2422, 2595, 2605, 3114, 3126, 3633, 3647, 4410, 4689, 5190, 5210, 6055, 7266, 7294, 7785, 7815, 8477, 9378, 10899, 10941, 12110, 15570, 15630, 16954, 18165, 18235, 21798, 21882, 23445, 25431, 25529, 32823, 36330, 36470, 42385, 46890, 50862, 51058, 54495, 54705, 65646, 76293, 76587, 84770, 90133, 108990, 109410, 127155, 127645, 152586, 153174, 164115, 180266, 229761, 254310, 255290, 270399, 328230, 381465, 382935, 450665, 459522, 540798, 630931, 762930, 765870, 811197, 901330, 1148805, 1261862, 1351995, 1622394, 1892793, 2297610, 2703990, 3154655, 3785586, 4055985, 4416517, 5678379, 6309310, 8111970, 8833034, 9463965, 11356758, 13249551, 18927930, 22082585, 26499102, 28391895, 39748653, 44165170, 56783790, 66247755, 79497306, 132495510, 198743265, 397486530]

約数ペア:

[(1, 397486530), (2, 198743265), (3, 132495510), (5, 79497306), (6, 66247755), (7, 56783790), (9, 44165170), (10, 39748653), (14, 28391895), (15, 26499102), (18, 22082585), (21, 18927930), (30, 13249551), (35, 11356758), (42, 9463965), (45, 8833034), (49, 8111970), (63, 6309310), (70, 5678379), (90, 4416517), (98, 4055985), (105, 3785586), (126, 3154655), (147, 2703990), (173, 2297610), (210, 1892793), (245, 1622394), (294, 1351995), (315, 1261862), (346, 1148805), (441, 901330), (490, 811197), (519, 765870), (521, 762930), (630, 630931), (735, 540798), (865, 459522), (882, 450665), (1038, 382935), (1042, 381465), (1211, 328230), (1470, 270399), (1557, 255290), (1563, 254310), (1730, 229761), (2205, 180266), (2422, 164115), (2595, 153174), (2605, 152586), (3114, 127645), (3126, 127155), (3633, 109410), (3647, 108990), (4410, 90133), (4689, 84770), (5190, 76587), (5210, 76293), (6055, 65646), (7266, 54705), (7294, 54495), (7785, 51058), (7815, 50862), (8477, 46890), (9378, 42385), (10899, 36470), (10941, 36330), (12110, 32823), (15570, 25529), (15630, 25431), (16954, 23445), (18165, 21882), (18235, 21798)]